Home / 972,005.30-1,458,007.95-572,440.40

Finding the Fourth Proportional to 972,005.30, 1,458,007.95 and 572,440.40

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Solution

The fourth proportional to 972,005.30, 1,458,007.95 and 572,440.40 is: 858,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,005.30 : 1,458,007.95 = 572,440.40 : x
  2. Step 2: Convert to fraction form
    972,005.30/1,458,007.95 = 572,440.40/x
  3. Step 3: Cross multiply
    972,005.30x = 1,458,007.95 × 572,440.40
  4. Step 4: Simplify right side
    972,005.30x = 834,622,654,101.18
  5. Step 5: Solve for x
    x = 834,622,654,101.18/972,005.30
  6. Step 6: Final answer
    x = 858,660.60

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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.