Home / 758,887.56-1,047,265.20-419,355.81

Finding the Fourth Proportional to 758,887.56, 1,047,265.20 and 419,355.81

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Solution

The fourth proportional to 758,887.56, 1,047,265.20 and 419,355.81 is: 578,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,887.56 : 1,047,265.20 = 419,355.81 : x
  2. Step 2: Convert to fraction form
    758,887.56/1,047,265.20 = 419,355.81/x
  3. Step 3: Cross multiply
    758,887.56x = 1,047,265.20 × 419,355.81
  4. Step 4: Simplify right side
    758,887.56x = 439,176,746,230.81
  5. Step 5: Solve for x
    x = 439,176,746,230.81/758,887.56
  6. Step 6: Final answer
    x = 578,711.22

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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.