Home / 788,653.20-1,182,979.80-488,159.40

Finding the Fourth Proportional to 788,653.20, 1,182,979.80 and 488,159.40

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Solution

The fourth proportional to 788,653.20, 1,182,979.80 and 488,159.40 is: 732,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,653.20 : 1,182,979.80 = 488,159.40 : x
  2. Step 2: Convert to fraction form
    788,653.20/1,182,979.80 = 488,159.40/x
  3. Step 3: Cross multiply
    788,653.20x = 1,182,979.80 × 488,159.40
  4. Step 4: Simplify right side
    788,653.20x = 577,482,709,380.12
  5. Step 5: Solve for x
    x = 577,482,709,380.12/788,653.20
  6. Step 6: Final answer
    x = 732,239.10

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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.