Home / 634,123.72-875,047.08-375,987.52

Finding the Fourth Proportional to 634,123.72, 875,047.08 and 375,987.52

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Solution

The fourth proportional to 634,123.72, 875,047.08 and 375,987.52 is: 518,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,123.72 : 875,047.08 = 375,987.52 : x
  2. Step 2: Convert to fraction form
    634,123.72/875,047.08 = 375,987.52/x
  3. Step 3: Cross multiply
    634,123.72x = 875,047.08 × 375,987.52
  4. Step 4: Simplify right side
    634,123.72x = 329,006,781,492.44
  5. Step 5: Solve for x
    x = 329,006,781,492.44/634,123.72
  6. Step 6: Final answer
    x = 518,836.89

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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.