Home / 709,489.80-1,064,234.70-496,913.40

Finding the Fourth Proportional to 709,489.80, 1,064,234.70 and 496,913.40

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Solution

The fourth proportional to 709,489.80, 1,064,234.70 and 496,913.40 is: 745,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,489.80 : 1,064,234.70 = 496,913.40 : x
  2. Step 2: Convert to fraction form
    709,489.80/1,064,234.70 = 496,913.40/x
  3. Step 3: Cross multiply
    709,489.80x = 1,064,234.70 × 496,913.40
  4. Step 4: Simplify right side
    709,489.80x = 528,832,483,174.98
  5. Step 5: Solve for x
    x = 528,832,483,174.98/709,489.80
  6. Step 6: Final answer
    x = 745,370.10

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Similar ratio
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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.