Home / 699,722.40-1,048,028.40-575,306.40

Finding the Fourth Proportional to 699,722.40, 1,048,028.40 and 575,306.40

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Solution

The fourth proportional to 699,722.40, 1,048,028.40 and 575,306.40 is: 861,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,722.40 : 1,048,028.40 = 575,306.40 : x
  2. Step 2: Convert to fraction form
    699,722.40/1,048,028.40 = 575,306.40/x
  3. Step 3: Cross multiply
    699,722.40x = 1,048,028.40 × 575,306.40
  4. Step 4: Simplify right side
    699,722.40x = 602,937,445,901.76
  5. Step 5: Solve for x
    x = 602,937,445,901.76/699,722.40
  6. Step 6: Final answer
    x = 861,680.93

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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.