Home / 972,078.30-1,458,117.45-572,513.40

Finding the Fourth Proportional to 972,078.30, 1,458,117.45 and 572,513.40

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Solution

The fourth proportional to 972,078.30, 1,458,117.45 and 572,513.40 is: 858,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,078.30 : 1,458,117.45 = 572,513.40 : x
  2. Step 2: Convert to fraction form
    972,078.30/1,458,117.45 = 572,513.40/x
  3. Step 3: Cross multiply
    972,078.30x = 1,458,117.45 × 572,513.40
  4. Step 4: Simplify right side
    972,078.30x = 834,791,778,898.83
  5. Step 5: Solve for x
    x = 834,791,778,898.83/972,078.30
  6. Step 6: Final answer
    x = 858,770.10

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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.