Home / 615,839.02-849,809.36-343,885.66

Finding the Fourth Proportional to 615,839.02, 849,809.36 and 343,885.66

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Solution

The fourth proportional to 615,839.02, 849,809.36 and 343,885.66 is: 474,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,839.02 : 849,809.36 = 343,885.66 : x
  2. Step 2: Convert to fraction form
    615,839.02/849,809.36 = 343,885.66/x
  3. Step 3: Cross multiply
    615,839.02x = 849,809.36 × 343,885.66
  4. Step 4: Simplify right side
    615,839.02x = 292,237,252,637.78
  5. Step 5: Solve for x
    x = 292,237,252,637.78/615,839.02
  6. Step 6: Final answer
    x = 474,535.14

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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.