Home / 767,527.80-1,151,291.70-486,209.40

Finding the Fourth Proportional to 767,527.80, 1,151,291.70 and 486,209.40

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Solution

The fourth proportional to 767,527.80, 1,151,291.70 and 486,209.40 is: 729,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,527.80 : 1,151,291.70 = 486,209.40 : x
  2. Step 2: Convert to fraction form
    767,527.80/1,151,291.70 = 486,209.40/x
  3. Step 3: Cross multiply
    767,527.80x = 1,151,291.70 × 486,209.40
  4. Step 4: Simplify right side
    767,527.80x = 559,768,846,681.98
  5. Step 5: Solve for x
    x = 559,768,846,681.98/767,527.80
  6. Step 6: Final answer
    x = 729,314.10

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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.