Home / 945,272.20-1,418,081.10-384,363.40

Finding the Fourth Proportional to 945,272.20, 1,418,081.10 and 384,363.40

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Solution

The fourth proportional to 945,272.20, 1,418,081.10 and 384,363.40 is: 576,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,272.20 : 1,418,081.10 = 384,363.40 : x
  2. Step 2: Convert to fraction form
    945,272.20/1,418,081.10 = 384,363.40/x
  3. Step 3: Cross multiply
    945,272.20x = 1,418,081.10 × 384,363.40
  4. Step 4: Simplify right side
    945,272.20x = 545,058,473,071.74
  5. Step 5: Solve for x
    x = 545,058,473,071.74/945,272.20
  6. Step 6: Final answer
    x = 576,615.36

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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.