Home / 788,718.10-1,181,521.95-472,234.90

Finding the Fourth Proportional to 788,718.10, 1,181,521.95 and 472,234.90

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Solution

The fourth proportional to 788,718.10, 1,181,521.95 and 472,234.90 is: 707,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,718.10 : 1,181,521.95 = 472,234.90 : x
  2. Step 2: Convert to fraction form
    788,718.10/1,181,521.95 = 472,234.90/x
  3. Step 3: Cross multiply
    788,718.10x = 1,181,521.95 × 472,234.90
  4. Step 4: Simplify right side
    788,718.10x = 557,955,899,906.06
  5. Step 5: Solve for x
    x = 557,955,899,906.06/788,718.10
  6. Step 6: Final answer
    x = 707,421.19

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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.