Home / 914,366.36-1,371,639.84-315,248.76

Finding the Fourth Proportional to 914,366.36, 1,371,639.84 and 315,248.76

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Solution

The fourth proportional to 914,366.36, 1,371,639.84 and 315,248.76 is: 472,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,366.36 : 1,371,639.84 = 315,248.76 : x
  2. Step 2: Convert to fraction form
    914,366.36/1,371,639.84 = 315,248.76/x
  3. Step 3: Cross multiply
    914,366.36x = 1,371,639.84 × 315,248.76
  4. Step 4: Simplify right side
    914,366.36x = 432,407,758,726.60
  5. Step 5: Solve for x
    x = 432,407,758,726.60/914,366.36
  6. Step 6: Final answer
    x = 472,904.27

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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.