Home / 710,816.74-1,066,411.85-255,453.95

Finding the Fourth Proportional to 710,816.74, 1,066,411.85 and 255,453.95

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Solution

The fourth proportional to 710,816.74, 1,066,411.85 and 255,453.95 is: 383,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,816.74 : 1,066,411.85 = 255,453.95 : x
  2. Step 2: Convert to fraction form
    710,816.74/1,066,411.85 = 255,453.95/x
  3. Step 3: Cross multiply
    710,816.74x = 1,066,411.85 × 255,453.95
  4. Step 4: Simplify right side
    710,816.74x = 272,419,122,953.46
  5. Step 5: Solve for x
    x = 272,419,122,953.46/710,816.74
  6. Step 6: Final answer
    x = 383,248.04

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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.