Home / 724,830.70-1,087,246.05-524,728.30

Finding the Fourth Proportional to 724,830.70, 1,087,246.05 and 524,728.30

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Solution

The fourth proportional to 724,830.70, 1,087,246.05 and 524,728.30 is: 787,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,830.70 : 1,087,246.05 = 524,728.30 : x
  2. Step 2: Convert to fraction form
    724,830.70/1,087,246.05 = 524,728.30/x
  3. Step 3: Cross multiply
    724,830.70x = 1,087,246.05 × 524,728.30
  4. Step 4: Simplify right side
    724,830.70x = 570,508,771,498.22
  5. Step 5: Solve for x
    x = 570,508,771,498.22/724,830.70
  6. Step 6: Final answer
    x = 787,092.45

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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.