Home / 926,470.23-1,389,944.91-542,543.31

Finding the Fourth Proportional to 926,470.23, 1,389,944.91 and 542,543.31

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Solution

The fourth proportional to 926,470.23, 1,389,944.91 and 542,543.31 is: 813,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,470.23 : 1,389,944.91 = 542,543.31 : x
  2. Step 2: Convert to fraction form
    926,470.23/1,389,944.91 = 542,543.31/x
  3. Step 3: Cross multiply
    926,470.23x = 1,389,944.91 × 542,543.31
  4. Step 4: Simplify right side
    926,470.23x = 754,105,312,189.05
  5. Step 5: Solve for x
    x = 754,105,312,189.05/926,470.23
  6. Step 6: Final answer
    x = 813,955.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.