Home / 767,529.80-1,151,294.70-486,211.40

Finding the Fourth Proportional to 767,529.80, 1,151,294.70 and 486,211.40

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Solution

The fourth proportional to 767,529.80, 1,151,294.70 and 486,211.40 is: 729,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,529.80 : 1,151,294.70 = 486,211.40 : x
  2. Step 2: Convert to fraction form
    767,529.80/1,151,294.70 = 486,211.40/x
  3. Step 3: Cross multiply
    767,529.80x = 1,151,294.70 × 486,211.40
  4. Step 4: Simplify right side
    767,529.80x = 559,772,607,899.58
  5. Step 5: Solve for x
    x = 559,772,607,899.58/767,529.80
  6. Step 6: Final answer
    x = 729,317.10

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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.