Home / 972,766.80-1,342,279.35-543,037.50

Finding the Fourth Proportional to 972,766.80, 1,342,279.35 and 543,037.50

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Solution

The fourth proportional to 972,766.80, 1,342,279.35 and 543,037.50 is: 749,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,766.80 : 1,342,279.35 = 543,037.50 : x
  2. Step 2: Convert to fraction form
    972,766.80/1,342,279.35 = 543,037.50/x
  3. Step 3: Cross multiply
    972,766.80x = 1,342,279.35 × 543,037.50
  4. Step 4: Simplify right side
    972,766.80x = 728,908,022,525.63
  5. Step 5: Solve for x
    x = 728,908,022,525.63/972,766.80
  6. Step 6: Final answer
    x = 749,314.25

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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.