Home / 754,987.40-1,133,005.26-488,085.80

Finding the Fourth Proportional to 754,987.40, 1,133,005.26 and 488,085.80

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Solution

The fourth proportional to 754,987.40, 1,133,005.26 and 488,085.80 is: 732,467.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,987.40 : 1,133,005.26 = 488,085.80 : x
  2. Step 2: Convert to fraction form
    754,987.40/1,133,005.26 = 488,085.80/x
  3. Step 3: Cross multiply
    754,987.40x = 1,133,005.26 × 488,085.80
  4. Step 4: Simplify right side
    754,987.40x = 553,003,778,731.31
  5. Step 5: Solve for x
    x = 553,003,778,731.31/754,987.40
  6. Step 6: Final answer
    x = 732,467.56

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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.