Home / 907,438.31-1,252,280.90-493,987.05

Finding the Fourth Proportional to 907,438.31, 1,252,280.90 and 493,987.05

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Solution

The fourth proportional to 907,438.31, 1,252,280.90 and 493,987.05 is: 681,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,438.31 : 1,252,280.90 = 493,987.05 : x
  2. Step 2: Convert to fraction form
    907,438.31/1,252,280.90 = 493,987.05/x
  3. Step 3: Cross multiply
    907,438.31x = 1,252,280.90 × 493,987.05
  4. Step 4: Simplify right side
    907,438.31x = 618,610,545,092.41
  5. Step 5: Solve for x
    x = 618,610,545,092.41/907,438.31
  6. Step 6: Final answer
    x = 681,710.86

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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.