Home / 788,503.46-1,088,134.10-425,927.20

Finding the Fourth Proportional to 788,503.46, 1,088,134.10 and 425,927.20

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Solution

The fourth proportional to 788,503.46, 1,088,134.10 and 425,927.20 is: 587,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,503.46 : 1,088,134.10 = 425,927.20 : x
  2. Step 2: Convert to fraction form
    788,503.46/1,088,134.10 = 425,927.20/x
  3. Step 3: Cross multiply
    788,503.46x = 1,088,134.10 × 425,927.20
  4. Step 4: Simplify right side
    788,503.46x = 463,465,910,437.52
  5. Step 5: Solve for x
    x = 463,465,910,437.52/788,503.46
  6. Step 6: Final answer
    x = 587,779.17

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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.