Home / 790,877.52-1,186,071.15-285,373.13

Finding the Fourth Proportional to 790,877.52, 1,186,071.15 and 285,373.13

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Solution

The fourth proportional to 790,877.52, 1,186,071.15 and 285,373.13 is: 427,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,877.52 : 1,186,071.15 = 285,373.13 : x
  2. Step 2: Convert to fraction form
    790,877.52/1,186,071.15 = 285,373.13/x
  3. Step 3: Cross multiply
    790,877.52x = 1,186,071.15 × 285,373.13
  4. Step 4: Simplify right side
    790,877.52x = 338,472,836,478.20
  5. Step 5: Solve for x
    x = 338,472,836,478.20/790,877.52
  6. Step 6: Final answer
    x = 427,971.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.