Home / 758,748.48-1,138,428.72-337,736.40

Finding the Fourth Proportional to 758,748.48, 1,138,428.72 and 337,736.40

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Solution

The fourth proportional to 758,748.48, 1,138,428.72 and 337,736.40 is: 506,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,748.48 : 1,138,428.72 = 337,736.40 : x
  2. Step 2: Convert to fraction form
    758,748.48/1,138,428.72 = 337,736.40/x
  3. Step 3: Cross multiply
    758,748.48x = 1,138,428.72 × 337,736.40
  4. Step 4: Simplify right side
    758,748.48x = 384,488,817,549.41
  5. Step 5: Solve for x
    x = 384,488,817,549.41/758,748.48
  6. Step 6: Final answer
    x = 506,740.81

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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.