Home / 788,843.64-1,088,603.69-426,267.36

Finding the Fourth Proportional to 788,843.64, 1,088,603.69 and 426,267.36

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Solution

The fourth proportional to 788,843.64, 1,088,603.69 and 426,267.36 is: 588,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,843.64 : 1,088,603.69 = 426,267.36 : x
  2. Step 2: Convert to fraction form
    788,843.64/1,088,603.69 = 426,267.36/x
  3. Step 3: Cross multiply
    788,843.64x = 1,088,603.69 × 426,267.36
  4. Step 4: Simplify right side
    788,843.64x = 464,036,218,891.22
  5. Step 5: Solve for x
    x = 464,036,218,891.22/788,843.64
  6. Step 6: Final answer
    x = 588,248.66

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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.