Home / 847,881.92-1,270,641.52-637,274.24

Finding the Fourth Proportional to 847,881.92, 1,270,641.52 and 637,274.24

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Solution

The fourth proportional to 847,881.92, 1,270,641.52 and 637,274.24 is: 955,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,881.92 : 1,270,641.52 = 637,274.24 : x
  2. Step 2: Convert to fraction form
    847,881.92/1,270,641.52 = 637,274.24/x
  3. Step 3: Cross multiply
    847,881.92x = 1,270,641.52 × 637,274.24
  4. Step 4: Simplify right side
    847,881.92x = 809,747,108,970.45
  5. Step 5: Solve for x
    x = 809,747,108,970.45/847,881.92
  6. Step 6: Final answer
    x = 955,023.44

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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.