Home / 847,123.02-1,169,135.10-484,496.55

Finding the Fourth Proportional to 847,123.02, 1,169,135.10 and 484,496.55

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Solution

The fourth proportional to 847,123.02, 1,169,135.10 and 484,496.55 is: 668,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,123.02 : 1,169,135.10 = 484,496.55 : x
  2. Step 2: Convert to fraction form
    847,123.02/1,169,135.10 = 484,496.55/x
  3. Step 3: Cross multiply
    847,123.02x = 1,169,135.10 × 484,496.55
  4. Step 4: Simplify right side
    847,123.02x = 566,441,922,433.91
  5. Step 5: Solve for x
    x = 566,441,922,433.91/847,123.02
  6. Step 6: Final answer
    x = 668,665.48

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Double scale
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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.