Home / 615,441.18-849,274.29-343,526.61

Finding the Fourth Proportional to 615,441.18, 849,274.29 and 343,526.61

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Solution

The fourth proportional to 615,441.18, 849,274.29 and 343,526.61 is: 474,047.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,441.18 : 849,274.29 = 343,526.61 : x
  2. Step 2: Convert to fraction form
    615,441.18/849,274.29 = 343,526.61/x
  3. Step 3: Cross multiply
    615,441.18x = 849,274.29 × 343,526.61
  4. Step 4: Simplify right side
    615,441.18x = 291,748,317,803.86
  5. Step 5: Solve for x
    x = 291,748,317,803.86/615,441.18
  6. Step 6: Final answer
    x = 474,047.44

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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.