Home / 732,647.70-1,098,971.55-520,071.30

Finding the Fourth Proportional to 732,647.70, 1,098,971.55 and 520,071.30

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Solution

The fourth proportional to 732,647.70, 1,098,971.55 and 520,071.30 is: 780,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,647.70 : 1,098,971.55 = 520,071.30 : x
  2. Step 2: Convert to fraction form
    732,647.70/1,098,971.55 = 520,071.30/x
  3. Step 3: Cross multiply
    732,647.70x = 1,098,971.55 × 520,071.30
  4. Step 4: Simplify right side
    732,647.70x = 571,543,562,671.52
  5. Step 5: Solve for x
    x = 571,543,562,671.52/732,647.70
  6. Step 6: Final answer
    x = 780,106.95

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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.