Home / 670,417.22-925,195.02-408,787.87

Finding the Fourth Proportional to 670,417.22, 925,195.02 and 408,787.87

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Solution

The fourth proportional to 670,417.22, 925,195.02 and 408,787.87 is: 564,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,417.22 : 925,195.02 = 408,787.87 : x
  2. Step 2: Convert to fraction form
    670,417.22/925,195.02 = 408,787.87/x
  3. Step 3: Cross multiply
    670,417.22x = 925,195.02 × 408,787.87
  4. Step 4: Simplify right side
    670,417.22x = 378,208,501,560.41
  5. Step 5: Solve for x
    x = 378,208,501,560.41/670,417.22
  6. Step 6: Final answer
    x = 564,139.00

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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.