Home / 673,323.60-1,009,985.40-319,029.60

Finding the Fourth Proportional to 673,323.60, 1,009,985.40 and 319,029.60

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Solution

The fourth proportional to 673,323.60, 1,009,985.40 and 319,029.60 is: 478,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,323.60 : 1,009,985.40 = 319,029.60 : x
  2. Step 2: Convert to fraction form
    673,323.60/1,009,985.40 = 319,029.60/x
  3. Step 3: Cross multiply
    673,323.60x = 1,009,985.40 × 319,029.60
  4. Step 4: Simplify right side
    673,323.60x = 322,215,238,167.84
  5. Step 5: Solve for x
    x = 322,215,238,167.84/673,323.60
  6. Step 6: Final answer
    x = 478,544.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.