Home / 847,642.38-1,169,746.95-465,693.76

Finding the Fourth Proportional to 847,642.38, 1,169,746.95 and 465,693.76

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Solution

The fourth proportional to 847,642.38, 1,169,746.95 and 465,693.76 is: 642,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,642.38 : 1,169,746.95 = 465,693.76 : x
  2. Step 2: Convert to fraction form
    847,642.38/1,169,746.95 = 465,693.76/x
  3. Step 3: Cross multiply
    847,642.38x = 1,169,746.95 × 465,693.76
  4. Step 4: Simplify right side
    847,642.38x = 544,743,855,394.03
  5. Step 5: Solve for x
    x = 544,743,855,394.03/847,642.38
  6. Step 6: Final answer
    x = 642,657.64

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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.