Home / 922,077.28-1,272,557.37-559,472.68

Finding the Fourth Proportional to 922,077.28, 1,272,557.37 and 559,472.68

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Solution

The fourth proportional to 922,077.28, 1,272,557.37 and 559,472.68 is: 772,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,077.28 : 1,272,557.37 = 559,472.68 : x
  2. Step 2: Convert to fraction form
    922,077.28/1,272,557.37 = 559,472.68/x
  3. Step 3: Cross multiply
    922,077.28x = 1,272,557.37 × 559,472.68
  4. Step 4: Simplify right side
    922,077.28x = 711,961,082,247.65
  5. Step 5: Solve for x
    x = 711,961,082,247.65/922,077.28
  6. Step 6: Final answer
    x = 772,127.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.