Home / 687,848.22-949,232.52-381,925.26

Finding the Fourth Proportional to 687,848.22, 949,232.52 and 381,925.26

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Solution

The fourth proportional to 687,848.22, 949,232.52 and 381,925.26 is: 527,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,848.22 : 949,232.52 = 381,925.26 : x
  2. Step 2: Convert to fraction form
    687,848.22/949,232.52 = 381,925.26/x
  3. Step 3: Cross multiply
    687,848.22x = 949,232.52 × 381,925.26
  4. Step 4: Simplify right side
    687,848.22x = 362,535,877,001.46
  5. Step 5: Solve for x
    x = 362,535,877,001.46/687,848.22
  6. Step 6: Final answer
    x = 527,057.96

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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.