Home / 723,400.80-997,717.14-465,307.40

Finding the Fourth Proportional to 723,400.80, 997,717.14 and 465,307.40

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Solution

The fourth proportional to 723,400.80, 997,717.14 and 465,307.40 is: 641,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,400.80 : 997,717.14 = 465,307.40 : x
  2. Step 2: Convert to fraction form
    723,400.80/997,717.14 = 465,307.40/x
  3. Step 3: Cross multiply
    723,400.80x = 997,717.14 × 465,307.40
  4. Step 4: Simplify right side
    723,400.80x = 464,245,163,360.25
  5. Step 5: Solve for x
    x = 464,245,163,360.25/723,400.80
  6. Step 6: Final answer
    x = 641,753.73

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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.