Home / 649,747.40-973,325.10-571,814.60

Finding the Fourth Proportional to 649,747.40, 973,325.10 and 571,814.60

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Solution

The fourth proportional to 649,747.40, 973,325.10 and 571,814.60 is: 856,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,747.40 : 973,325.10 = 571,814.60 : x
  2. Step 2: Convert to fraction form
    649,747.40/973,325.10 = 571,814.60/x
  3. Step 3: Cross multiply
    649,747.40x = 973,325.10 × 571,814.60
  4. Step 4: Simplify right side
    649,747.40x = 556,561,502,726.46
  5. Step 5: Solve for x
    x = 556,561,502,726.46/649,747.40
  6. Step 6: Final answer
    x = 856,581.35

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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.