Home / 902,715.69-1,245,761.67-540,154.83

Finding the Fourth Proportional to 902,715.69, 1,245,761.67 and 540,154.83

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Solution

The fourth proportional to 902,715.69, 1,245,761.67 and 540,154.83 is: 745,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,715.69 : 1,245,761.67 = 540,154.83 : x
  2. Step 2: Convert to fraction form
    902,715.69/1,245,761.67 = 540,154.83/x
  3. Step 3: Cross multiply
    902,715.69x = 1,245,761.67 × 540,154.83
  4. Step 4: Simplify right side
    902,715.69x = 672,904,182,769.14
  5. Step 5: Solve for x
    x = 672,904,182,769.14/902,715.69
  6. Step 6: Final answer
    x = 745,422.05

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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.