Home / 986,432.72-1,361,275.08-533,723.60

Finding the Fourth Proportional to 986,432.72, 1,361,275.08 and 533,723.60

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Solution

The fourth proportional to 986,432.72, 1,361,275.08 and 533,723.60 is: 736,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,432.72 : 1,361,275.08 = 533,723.60 : x
  2. Step 2: Convert to fraction form
    986,432.72/1,361,275.08 = 533,723.60/x
  3. Step 3: Cross multiply
    986,432.72x = 1,361,275.08 × 533,723.60
  4. Step 4: Simplify right side
    986,432.72x = 726,544,636,287.89
  5. Step 5: Solve for x
    x = 726,544,636,287.89/986,432.72
  6. Step 6: Final answer
    x = 736,537.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.