Home / 754,986.40-1,133,003.76-488,084.80

Finding the Fourth Proportional to 754,986.40, 1,133,003.76 and 488,084.80

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Solution

The fourth proportional to 754,986.40, 1,133,003.76 and 488,084.80 is: 732,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,986.40 : 1,133,003.76 = 488,084.80 : x
  2. Step 2: Convert to fraction form
    754,986.40/1,133,003.76 = 488,084.80/x
  3. Step 3: Cross multiply
    754,986.40x = 1,133,003.76 × 488,084.80
  4. Step 4: Simplify right side
    754,986.40x = 553,001,913,598.85
  5. Step 5: Solve for x
    x = 553,001,913,598.85/754,986.40
  6. Step 6: Final answer
    x = 732,466.06

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1.5x scale

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.