Home / 914,304.74-1,371,547.32-315,187.02

Finding the Fourth Proportional to 914,304.74, 1,371,547.32 and 315,187.02

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Solution

The fourth proportional to 914,304.74, 1,371,547.32 and 315,187.02 is: 472,811.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,304.74 : 1,371,547.32 = 315,187.02 : x
  2. Step 2: Convert to fraction form
    914,304.74/1,371,547.32 = 315,187.02/x
  3. Step 3: Cross multiply
    914,304.74x = 1,371,547.32 × 315,187.02
  4. Step 4: Simplify right side
    914,304.74x = 432,293,916,585.02
  5. Step 5: Solve for x
    x = 432,293,916,585.02/914,304.74
  6. Step 6: Final answer
    x = 472,811.63

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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.