Home / 663,244.12-915,017.07-408,152.44

Finding the Fourth Proportional to 663,244.12, 915,017.07 and 408,152.44

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Solution

The fourth proportional to 663,244.12, 915,017.07 and 408,152.44 is: 563,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,244.12 : 915,017.07 = 408,152.44 : x
  2. Step 2: Convert to fraction form
    663,244.12/915,017.07 = 408,152.44/x
  3. Step 3: Cross multiply
    663,244.12x = 915,017.07 × 408,152.44
  4. Step 4: Simplify right side
    663,244.12x = 373,466,449,762.15
  5. Step 5: Solve for x
    x = 373,466,449,762.15/663,244.12
  6. Step 6: Final answer
    x = 563,090.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.