Home / 545,560.10-752,612.17-423,868.63

Finding the Fourth Proportional to 545,560.10, 752,612.17 and 423,868.63

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Solution

The fourth proportional to 545,560.10, 752,612.17 and 423,868.63 is: 584,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,560.10 : 752,612.17 = 423,868.63 : x
  2. Step 2: Convert to fraction form
    545,560.10/752,612.17 = 423,868.63/x
  3. Step 3: Cross multiply
    545,560.10x = 752,612.17 × 423,868.63
  4. Step 4: Simplify right side
    545,560.10x = 319,008,689,419.23
  5. Step 5: Solve for x
    x = 319,008,689,419.23/545,560.10
  6. Step 6: Final answer
    x = 584,736.11

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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.