Home / 769,815.42-1,146,605.66-735,275.40

Finding the Fourth Proportional to 769,815.42, 1,146,605.66 and 735,275.40

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Solution

The fourth proportional to 769,815.42, 1,146,605.66 and 735,275.40 is: 1,095,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,815.42 : 1,146,605.66 = 735,275.40 : x
  2. Step 2: Convert to fraction form
    769,815.42/1,146,605.66 = 735,275.40/x
  3. Step 3: Cross multiply
    769,815.42x = 1,146,605.66 × 735,275.40
  4. Step 4: Simplify right side
    769,815.42x = 843,070,931,622.39
  5. Step 5: Solve for x
    x = 843,070,931,622.39/769,815.42
  6. Step 6: Final answer
    x = 1,095,159.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.