Home / 847,410.38-1,169,449.16-498,575.13

Finding the Fourth Proportional to 847,410.38, 1,169,449.16 and 498,575.13

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Solution

The fourth proportional to 847,410.38, 1,169,449.16 and 498,575.13 is: 688,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,410.38 : 1,169,449.16 = 498,575.13 : x
  2. Step 2: Convert to fraction form
    847,410.38/1,169,449.16 = 498,575.13/x
  3. Step 3: Cross multiply
    847,410.38x = 1,169,449.16 × 498,575.13
  4. Step 4: Simplify right side
    847,410.38x = 583,058,266,975.39
  5. Step 5: Solve for x
    x = 583,058,266,975.39/847,410.38
  6. Step 6: Final answer
    x = 688,047.11

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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.