Home / 750,149.10-1,035,218.07-423,479.34

Finding the Fourth Proportional to 750,149.10, 1,035,218.07 and 423,479.34

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Solution

The fourth proportional to 750,149.10, 1,035,218.07 and 423,479.34 is: 584,408.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,149.10 : 1,035,218.07 = 423,479.34 : x
  2. Step 2: Convert to fraction form
    750,149.10/1,035,218.07 = 423,479.34/x
  3. Step 3: Cross multiply
    750,149.10x = 1,035,218.07 × 423,479.34
  4. Step 4: Simplify right side
    750,149.10x = 438,393,465,039.67
  5. Step 5: Solve for x
    x = 438,393,465,039.67/750,149.10
  6. Step 6: Final answer
    x = 584,408.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.