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Finding the Fourth Proportional to 615,225.04, 849,031.02 and 357,082.72

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Solution

The fourth proportional to 615,225.04, 849,031.02 and 357,082.72 is: 492,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,225.04 : 849,031.02 = 357,082.72 : x
  2. Step 2: Convert to fraction form
    615,225.04/849,031.02 = 357,082.72/x
  3. Step 3: Cross multiply
    615,225.04x = 849,031.02 × 357,082.72
  4. Step 4: Simplify right side
    615,225.04x = 303,174,305,985.97
  5. Step 5: Solve for x
    x = 303,174,305,985.97/615,225.04
  6. Step 6: Final answer
    x = 492,786.03

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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.