Home / 698,975.09-1,046,781.10-398,544.85

Finding the Fourth Proportional to 698,975.09, 1,046,781.10 and 398,544.85

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Solution

The fourth proportional to 698,975.09, 1,046,781.10 and 398,544.85 is: 596,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,975.09 : 1,046,781.10 = 398,544.85 : x
  2. Step 2: Convert to fraction form
    698,975.09/1,046,781.10 = 398,544.85/x
  3. Step 3: Cross multiply
    698,975.09x = 1,046,781.10 × 398,544.85
  4. Step 4: Simplify right side
    698,975.09x = 417,189,209,255.71
  5. Step 5: Solve for x
    x = 417,189,209,255.71/698,975.09
  6. Step 6: Final answer
    x = 596,858.48

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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.