Home / 788,729.32-1,088,454.50-431,033.32

Finding the Fourth Proportional to 788,729.32, 1,088,454.50 and 431,033.32

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Solution

The fourth proportional to 788,729.32, 1,088,454.50 and 431,033.32 is: 594,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,729.32 : 1,088,454.50 = 431,033.32 : x
  2. Step 2: Convert to fraction form
    788,729.32/1,088,454.50 = 431,033.32/x
  3. Step 3: Cross multiply
    788,729.32x = 1,088,454.50 × 431,033.32
  4. Step 4: Simplify right side
    788,729.32x = 469,160,156,803.94
  5. Step 5: Solve for x
    x = 469,160,156,803.94/788,729.32
  6. Step 6: Final answer
    x = 594,830.37

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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.