Home / 908,045.82-1,253,111.67-500,149.14

Finding the Fourth Proportional to 908,045.82, 1,253,111.67 and 500,149.14

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Solution

The fourth proportional to 908,045.82, 1,253,111.67 and 500,149.14 is: 690,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,045.82 : 1,253,111.67 = 500,149.14 : x
  2. Step 2: Convert to fraction form
    908,045.82/1,253,111.67 = 500,149.14/x
  3. Step 3: Cross multiply
    908,045.82x = 1,253,111.67 × 500,149.14
  4. Step 4: Simplify right side
    908,045.82x = 626,742,724,074.46
  5. Step 5: Solve for x
    x = 626,742,724,074.46/908,045.82
  6. Step 6: Final answer
    x = 690,210.46

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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.