Home / 906,748.52-1,251,312.94-498,841.59

Finding the Fourth Proportional to 906,748.52, 1,251,312.94 and 498,841.59

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Solution

The fourth proportional to 906,748.52, 1,251,312.94 and 498,841.59 is: 688,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,748.52 : 1,251,312.94 = 498,841.59 : x
  2. Step 2: Convert to fraction form
    906,748.52/1,251,312.94 = 498,841.59/x
  3. Step 3: Cross multiply
    906,748.52x = 1,251,312.94 × 498,841.59
  4. Step 4: Simplify right side
    906,748.52x = 624,206,941,893.15
  5. Step 5: Solve for x
    x = 624,206,941,893.15/906,748.52
  6. Step 6: Final answer
    x = 688,401.39

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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.