Home / 914,315.16-1,371,562.96-315,197.45

Finding the Fourth Proportional to 914,315.16, 1,371,562.96 and 315,197.45

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Solution

The fourth proportional to 914,315.16, 1,371,562.96 and 315,197.45 is: 472,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,315.16 : 1,371,562.96 = 315,197.45 : x
  2. Step 2: Convert to fraction form
    914,315.16/1,371,562.96 = 315,197.45/x
  3. Step 3: Cross multiply
    914,315.16x = 1,371,562.96 × 315,197.45
  4. Step 4: Simplify right side
    914,315.16x = 432,313,147,506.45
  5. Step 5: Solve for x
    x = 432,313,147,506.45/914,315.16
  6. Step 6: Final answer
    x = 472,827.28

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Double scale
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1.5x scale

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.