Home / 758,476.60-1,139,027.10-493,412.20

Finding the Fourth Proportional to 758,476.60, 1,139,027.10 and 493,412.20

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Solution

The fourth proportional to 758,476.60, 1,139,027.10 and 493,412.20 is: 740,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,476.60 : 1,139,027.10 = 493,412.20 : x
  2. Step 2: Convert to fraction form
    758,476.60/1,139,027.10 = 493,412.20/x
  3. Step 3: Cross multiply
    758,476.60x = 1,139,027.10 × 493,412.20
  4. Step 4: Simplify right side
    758,476.60x = 562,009,867,270.62
  5. Step 5: Solve for x
    x = 562,009,867,270.62/758,476.60
  6. Step 6: Final answer
    x = 740,971.93

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Double scale
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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.