Home / 942,306.69-1,300,467.51-555,125.70

Finding the Fourth Proportional to 942,306.69, 1,300,467.51 and 555,125.70

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Solution

The fourth proportional to 942,306.69, 1,300,467.51 and 555,125.70 is: 766,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,306.69 : 1,300,467.51 = 555,125.70 : x
  2. Step 2: Convert to fraction form
    942,306.69/1,300,467.51 = 555,125.70/x
  3. Step 3: Cross multiply
    942,306.69x = 1,300,467.51 × 555,125.70
  4. Step 4: Simplify right side
    942,306.69x = 721,922,936,816.01
  5. Step 5: Solve for x
    x = 721,922,936,816.01/942,306.69
  6. Step 6: Final answer
    x = 766,123.12

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Double scale
Find fourth proportional to 942,307.69, 1,300,468.89 and 555,126.70
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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.