Home / 615,763.08-849,767.46-343,821.78

Finding the Fourth Proportional to 615,763.08, 849,767.46 and 343,821.78

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Solution

The fourth proportional to 615,763.08, 849,767.46 and 343,821.78 is: 474,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,763.08 : 849,767.46 = 343,821.78 : x
  2. Step 2: Convert to fraction form
    615,763.08/849,767.46 = 343,821.78/x
  3. Step 3: Cross multiply
    615,763.08x = 849,767.46 × 343,821.78
  4. Step 4: Simplify right side
    615,763.08x = 292,168,560,683.28
  5. Step 5: Solve for x
    x = 292,168,560,683.28/615,763.08
  6. Step 6: Final answer
    x = 474,482.10

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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.