Home / 730,588.98-1,008,209.43-408,298.89

Finding the Fourth Proportional to 730,588.98, 1,008,209.43 and 408,298.89

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Solution

The fourth proportional to 730,588.98, 1,008,209.43 and 408,298.89 is: 563,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,588.98 : 1,008,209.43 = 408,298.89 : x
  2. Step 2: Convert to fraction form
    730,588.98/1,008,209.43 = 408,298.89/x
  3. Step 3: Cross multiply
    730,588.98x = 1,008,209.43 × 408,298.89
  4. Step 4: Simplify right side
    730,588.98x = 411,650,791,156.53
  5. Step 5: Solve for x
    x = 411,650,791,156.53/730,588.98
  6. Step 6: Final answer
    x = 563,450.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.