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Finding the Fourth Proportional to 904.47, 1,248.11 and 573.00

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Solution

The fourth proportional to 904.47, 1,248.11 and 573.00 is: 790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.47 : 1,248.11 = 573.00 : x
  2. Step 2: Convert to fraction form
    904.47/1,248.11 = 573.00/x
  3. Step 3: Cross multiply
    904.47x = 1,248.11 × 573.00
  4. Step 4: Simplify right side
    904.47x = 715,165.14
  5. Step 5: Solve for x
    x = 715,165.14/904.47
  6. Step 6: Final answer
    x = 790.70

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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.