Home / 875,258.90-1,312,572.40-369,858.89

Finding the Fourth Proportional to 875,258.90, 1,312,572.40 and 369,858.89

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Solution

The fourth proportional to 875,258.90, 1,312,572.40 and 369,858.89 is: 554,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,258.90 : 1,312,572.40 = 369,858.89 : x
  2. Step 2: Convert to fraction form
    875,258.90/1,312,572.40 = 369,858.89/x
  3. Step 3: Cross multiply
    875,258.90x = 1,312,572.40 × 369,858.89
  4. Step 4: Simplify right side
    875,258.90x = 485,466,573,265.42
  5. Step 5: Solve for x
    x = 485,466,573,265.42/875,258.90
  6. Step 6: Final answer
    x = 554,654.83

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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.