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Finding the Fourth Proportional to 564,187.42, 778,374.32 and 370,699.36

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Solution

The fourth proportional to 564,187.42, 778,374.32 and 370,699.36 is: 511,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,187.42 : 778,374.32 = 370,699.36 : x
  2. Step 2: Convert to fraction form
    564,187.42/778,374.32 = 370,699.36/x
  3. Step 3: Cross multiply
    564,187.42x = 778,374.32 × 370,699.36
  4. Step 4: Simplify right side
    564,187.42x = 288,542,862,264.44
  5. Step 5: Solve for x
    x = 288,542,862,264.44/564,187.42
  6. Step 6: Final answer
    x = 511,430.87

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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.