Home / 709,781.70-1,064,672.55-569,813.70

Finding the Fourth Proportional to 709,781.70, 1,064,672.55 and 569,813.70

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Solution

The fourth proportional to 709,781.70, 1,064,672.55 and 569,813.70 is: 854,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,781.70 : 1,064,672.55 = 569,813.70 : x
  2. Step 2: Convert to fraction form
    709,781.70/1,064,672.55 = 569,813.70/x
  3. Step 3: Cross multiply
    709,781.70x = 1,064,672.55 × 569,813.70
  4. Step 4: Simplify right side
    709,781.70x = 606,665,005,003.94
  5. Step 5: Solve for x
    x = 606,665,005,003.94/709,781.70
  6. Step 6: Final answer
    x = 854,720.55

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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.