Home / 712,228.80-1,066,960.80-662,462.40

Finding the Fourth Proportional to 712,228.80, 1,066,960.80 and 662,462.40

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Solution

The fourth proportional to 712,228.80, 1,066,960.80 and 662,462.40 is: 992,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,228.80 : 1,066,960.80 = 662,462.40 : x
  2. Step 2: Convert to fraction form
    712,228.80/1,066,960.80 = 662,462.40/x
  3. Step 3: Cross multiply
    712,228.80x = 1,066,960.80 × 662,462.40
  4. Step 4: Simplify right side
    712,228.80x = 706,821,412,273.92
  5. Step 5: Solve for x
    x = 706,821,412,273.92/712,228.80
  6. Step 6: Final answer
    x = 992,407.79

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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.