Home / 648,082.90-972,124.35-382,362.40

Finding the Fourth Proportional to 648,082.90, 972,124.35 and 382,362.40

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Solution

The fourth proportional to 648,082.90, 972,124.35 and 382,362.40 is: 573,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,082.90 : 972,124.35 = 382,362.40 : x
  2. Step 2: Convert to fraction form
    648,082.90/972,124.35 = 382,362.40/x
  3. Step 3: Cross multiply
    648,082.90x = 972,124.35 × 382,362.40
  4. Step 4: Simplify right side
    648,082.90x = 371,703,799,564.44
  5. Step 5: Solve for x
    x = 371,703,799,564.44/648,082.90
  6. Step 6: Final answer
    x = 573,543.60

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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.