Home / 868,417.20-1,303,792.20-554,266.80

Finding the Fourth Proportional to 868,417.20, 1,303,792.20 and 554,266.80

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Solution

The fourth proportional to 868,417.20, 1,303,792.20 and 554,266.80 is: 832,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,417.20 : 1,303,792.20 = 554,266.80 : x
  2. Step 2: Convert to fraction form
    868,417.20/1,303,792.20 = 554,266.80/x
  3. Step 3: Cross multiply
    868,417.20x = 1,303,792.20 × 554,266.80
  4. Step 4: Simplify right side
    868,417.20x = 722,648,730,558.96
  5. Step 5: Solve for x
    x = 722,648,730,558.96/868,417.20
  6. Step 6: Final answer
    x = 832,144.65

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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.