Home / 615,714.47-849,738.51-343,834.92

Finding the Fourth Proportional to 615,714.47, 849,738.51 and 343,834.92

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Solution

The fourth proportional to 615,714.47, 849,738.51 and 343,834.92 is: 474,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,714.47 : 849,738.51 = 343,834.92 : x
  2. Step 2: Convert to fraction form
    615,714.47/849,738.51 = 343,834.92/x
  3. Step 3: Cross multiply
    615,714.47x = 849,738.51 × 343,834.92
  4. Step 4: Simplify right side
    615,714.47x = 292,169,768,358.08
  5. Step 5: Solve for x
    x = 292,169,768,358.08/615,714.47
  6. Step 6: Final answer
    x = 474,521.52

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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.