Home / 914,305.16-1,371,547.92-315,187.50

Finding the Fourth Proportional to 914,305.16, 1,371,547.92 and 315,187.50

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Solution

The fourth proportional to 914,305.16, 1,371,547.92 and 315,187.50 is: 472,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,305.16 : 1,371,547.92 = 315,187.50 : x
  2. Step 2: Convert to fraction form
    914,305.16/1,371,547.92 = 315,187.50/x
  3. Step 3: Cross multiply
    914,305.16x = 1,371,547.92 × 315,187.50
  4. Step 4: Simplify right side
    914,305.16x = 432,294,760,035
  5. Step 5: Solve for x
    x = 432,294,760,035/914,305.16
  6. Step 6: Final answer
    x = 472,812.34

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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.