Home / 926,465.71-1,389,938.16-542,538.80

Finding the Fourth Proportional to 926,465.71, 1,389,938.16 and 542,538.80

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Solution

The fourth proportional to 926,465.71, 1,389,938.16 and 542,538.80 is: 813,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,465.71 : 1,389,938.16 = 542,538.80 : x
  2. Step 2: Convert to fraction form
    926,465.71/1,389,938.16 = 542,538.80/x
  3. Step 3: Cross multiply
    926,465.71x = 1,389,938.16 × 542,538.80
  4. Step 4: Simplify right side
    926,465.71x = 754,095,381,697.71
  5. Step 5: Solve for x
    x = 754,095,381,697.71/926,465.71
  6. Step 6: Final answer
    x = 813,948.51

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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.