Home / 538,165.12-742,664.40-296,442.08

Finding the Fourth Proportional to 538,165.12, 742,664.40 and 296,442.08

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Solution

The fourth proportional to 538,165.12, 742,664.40 and 296,442.08 is: 409,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,165.12 : 742,664.40 = 296,442.08 : x
  2. Step 2: Convert to fraction form
    538,165.12/742,664.40 = 296,442.08/x
  3. Step 3: Cross multiply
    538,165.12x = 742,664.40 × 296,442.08
  4. Step 4: Simplify right side
    538,165.12x = 220,156,979,477.95
  5. Step 5: Solve for x
    x = 220,156,979,477.95/538,165.12
  6. Step 6: Final answer
    x = 409,088.16

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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.