Home / 916,256.60-1,374,672.90-442,957.40

Finding the Fourth Proportional to 916,256.60, 1,374,672.90 and 442,957.40

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Solution

The fourth proportional to 916,256.60, 1,374,672.90 and 442,957.40 is: 664,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,256.60 : 1,374,672.90 = 442,957.40 : x
  2. Step 2: Convert to fraction form
    916,256.60/1,374,672.90 = 442,957.40/x
  3. Step 3: Cross multiply
    916,256.60x = 1,374,672.90 × 442,957.40
  4. Step 4: Simplify right side
    916,256.60x = 608,921,533,634.46
  5. Step 5: Solve for x
    x = 608,921,533,634.46/916,256.60
  6. Step 6: Final answer
    x = 664,575.33

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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.