Home / 724,877.70-1,087,316.55-524,775.30

Finding the Fourth Proportional to 724,877.70, 1,087,316.55 and 524,775.30

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Solution

The fourth proportional to 724,877.70, 1,087,316.55 and 524,775.30 is: 787,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,877.70 : 1,087,316.55 = 524,775.30 : x
  2. Step 2: Convert to fraction form
    724,877.70/1,087,316.55 = 524,775.30/x
  3. Step 3: Cross multiply
    724,877.70x = 1,087,316.55 × 524,775.30
  4. Step 4: Simplify right side
    724,877.70x = 570,596,868,721.22
  5. Step 5: Solve for x
    x = 570,596,868,721.22/724,877.70
  6. Step 6: Final answer
    x = 787,162.95

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1.5x scale

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.