Home / 673,670.90-1,010,506.35-319,376.90

Finding the Fourth Proportional to 673,670.90, 1,010,506.35 and 319,376.90

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Solution

The fourth proportional to 673,670.90, 1,010,506.35 and 319,376.90 is: 479,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,670.90 : 1,010,506.35 = 319,376.90 : x
  2. Step 2: Convert to fraction form
    673,670.90/1,010,506.35 = 319,376.90/x
  3. Step 3: Cross multiply
    673,670.90x = 1,010,506.35 × 319,376.90
  4. Step 4: Simplify right side
    673,670.90x = 322,732,385,493.32
  5. Step 5: Solve for x
    x = 322,732,385,493.32/673,670.90
  6. Step 6: Final answer
    x = 479,065.35

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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.