Home / 912,101.10-1,368,151.65-613,502.70

Finding the Fourth Proportional to 912,101.10, 1,368,151.65 and 613,502.70

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Solution

The fourth proportional to 912,101.10, 1,368,151.65 and 613,502.70 is: 920,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,101.10 : 1,368,151.65 = 613,502.70 : x
  2. Step 2: Convert to fraction form
    912,101.10/1,368,151.65 = 613,502.70/x
  3. Step 3: Cross multiply
    912,101.10x = 1,368,151.65 × 613,502.70
  4. Step 4: Simplify right side
    912,101.10x = 839,364,731,284.46
  5. Step 5: Solve for x
    x = 839,364,731,284.46/912,101.10
  6. Step 6: Final answer
    x = 920,254.05

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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.