Home / 914,279.90-1,371,510.02-315,162.18

Finding the Fourth Proportional to 914,279.90, 1,371,510.02 and 315,162.18

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Solution

The fourth proportional to 914,279.90, 1,371,510.02 and 315,162.18 is: 472,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,279.90 : 1,371,510.02 = 315,162.18 : x
  2. Step 2: Convert to fraction form
    914,279.90/1,371,510.02 = 315,162.18/x
  3. Step 3: Cross multiply
    914,279.90x = 1,371,510.02 × 315,162.18
  4. Step 4: Simplify right side
    914,279.90x = 432,248,086,219.23
  5. Step 5: Solve for x
    x = 432,248,086,219.23/914,279.90
  6. Step 6: Final answer
    x = 472,774.35

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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.