Home / 997,730.50-1,376,898.36-545,050.66

Finding the Fourth Proportional to 997,730.50, 1,376,898.36 and 545,050.66

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Solution

The fourth proportional to 997,730.50, 1,376,898.36 and 545,050.66 is: 752,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,730.50 : 1,376,898.36 = 545,050.66 : x
  2. Step 2: Convert to fraction form
    997,730.50/1,376,898.36 = 545,050.66/x
  3. Step 3: Cross multiply
    997,730.50x = 1,376,898.36 × 545,050.66
  4. Step 4: Simplify right side
    997,730.50x = 750,479,359,870.92
  5. Step 5: Solve for x
    x = 750,479,359,870.92/997,730.50
  6. Step 6: Final answer
    x = 752,186.45

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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.