Home / 847,345.59-1,169,394.17-465,376.32

Finding the Fourth Proportional to 847,345.59, 1,169,394.17 and 465,376.32

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Solution

The fourth proportional to 847,345.59, 1,169,394.17 and 465,376.32 is: 642,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,345.59 : 1,169,394.17 = 465,376.32 : x
  2. Step 2: Convert to fraction form
    847,345.59/1,169,394.17 = 465,376.32/x
  3. Step 3: Cross multiply
    847,345.59x = 1,169,394.17 × 465,376.32
  4. Step 4: Simplify right side
    847,345.59x = 544,208,353,137.17
  5. Step 5: Solve for x
    x = 544,208,353,137.17/847,345.59
  6. Step 6: Final answer
    x = 642,250.76

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1.5x scale

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.