Home / 758,423.91-1,046,353.03-448,261.44

Finding the Fourth Proportional to 758,423.91, 1,046,353.03 and 448,261.44

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Solution

The fourth proportional to 758,423.91, 1,046,353.03 and 448,261.44 is: 618,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,423.91 : 1,046,353.03 = 448,261.44 : x
  2. Step 2: Convert to fraction form
    758,423.91/1,046,353.03 = 448,261.44/x
  3. Step 3: Cross multiply
    758,423.91x = 1,046,353.03 × 448,261.44
  4. Step 4: Simplify right side
    758,423.91x = 469,039,715,976.16
  5. Step 5: Solve for x
    x = 469,039,715,976.16/758,423.91
  6. Step 6: Final answer
    x = 618,440.05

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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.