Home / 983,781.12-1,472,338.65-604,941.81

Finding the Fourth Proportional to 983,781.12, 1,472,338.65 and 604,941.81

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Solution

The fourth proportional to 983,781.12, 1,472,338.65 and 604,941.81 is: 905,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,781.12 : 1,472,338.65 = 604,941.81 : x
  2. Step 2: Convert to fraction form
    983,781.12/1,472,338.65 = 604,941.81/x
  3. Step 3: Cross multiply
    983,781.12x = 1,472,338.65 × 604,941.81
  4. Step 4: Simplify right side
    983,781.12x = 890,679,207,863.96
  5. Step 5: Solve for x
    x = 890,679,207,863.96/983,781.12
  6. Step 6: Final answer
    x = 905,363.18

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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.