Home / 984,139.16-1,358,212.38-602,418.20

Finding the Fourth Proportional to 984,139.16, 1,358,212.38 and 602,418.20

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Solution

The fourth proportional to 984,139.16, 1,358,212.38 and 602,418.20 is: 831,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,139.16 : 1,358,212.38 = 602,418.20 : x
  2. Step 2: Convert to fraction form
    984,139.16/1,358,212.38 = 602,418.20/x
  3. Step 3: Cross multiply
    984,139.16x = 1,358,212.38 × 602,418.20
  4. Step 4: Simplify right side
    984,139.16x = 818,211,857,177.32
  5. Step 5: Solve for x
    x = 818,211,857,177.32/984,139.16
  6. Step 6: Final answer
    x = 831,398.54

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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.