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Finding the Fourth Proportional to 615,800.10, 849,562.38 and 357,633.12

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Solution

The fourth proportional to 615,800.10, 849,562.38 and 357,633.12 is: 493,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,800.10 : 849,562.38 = 357,633.12 : x
  2. Step 2: Convert to fraction form
    615,800.10/849,562.38 = 357,633.12/x
  3. Step 3: Cross multiply
    615,800.10x = 849,562.38 × 357,633.12
  4. Step 4: Simplify right side
    615,800.10x = 303,831,644,594.03
  5. Step 5: Solve for x
    x = 303,831,644,594.03/615,800.10
  6. Step 6: Final answer
    x = 493,393.30

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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.