Home / 648,124.20-972,186.30-446,045.40

Finding the Fourth Proportional to 648,124.20, 972,186.30 and 446,045.40

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Solution

The fourth proportional to 648,124.20, 972,186.30 and 446,045.40 is: 669,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,124.20 : 972,186.30 = 446,045.40 : x
  2. Step 2: Convert to fraction form
    648,124.20/972,186.30 = 446,045.40/x
  3. Step 3: Cross multiply
    648,124.20x = 972,186.30 × 446,045.40
  4. Step 4: Simplify right side
    648,124.20x = 433,639,227,058.02
  5. Step 5: Solve for x
    x = 433,639,227,058.02/648,124.20
  6. Step 6: Final answer
    x = 669,068.10

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Similar ratio
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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.