Home / 862,586.95-1,190,374.86-500,225.96

Finding the Fourth Proportional to 862,586.95, 1,190,374.86 and 500,225.96

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Solution

The fourth proportional to 862,586.95, 1,190,374.86 and 500,225.96 is: 690,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,586.95 : 1,190,374.86 = 500,225.96 : x
  2. Step 2: Convert to fraction form
    862,586.95/1,190,374.86 = 500,225.96/x
  3. Step 3: Cross multiply
    862,586.95x = 1,190,374.86 × 500,225.96
  4. Step 4: Simplify right side
    862,586.95x = 595,456,403,027.34
  5. Step 5: Solve for x
    x = 595,456,403,027.34/862,586.95
  6. Step 6: Final answer
    x = 690,314.65

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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.