Home / 757,489.48-1,045,334.76-417,957.76

Finding the Fourth Proportional to 757,489.48, 1,045,334.76 and 417,957.76

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Solution

The fourth proportional to 757,489.48, 1,045,334.76 and 417,957.76 is: 576,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,489.48 : 1,045,334.76 = 417,957.76 : x
  2. Step 2: Convert to fraction form
    757,489.48/1,045,334.76 = 417,957.76/x
  3. Step 3: Cross multiply
    757,489.48x = 1,045,334.76 × 417,957.76
  4. Step 4: Simplify right side
    757,489.48x = 436,905,774,739.74
  5. Step 5: Solve for x
    x = 436,905,774,739.74/757,489.48
  6. Step 6: Final answer
    x = 576,781.31

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1.5x scale

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.