Home / 906,488.52-1,250,954.80-498,621.40

Finding the Fourth Proportional to 906,488.52, 1,250,954.80 and 498,621.40

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Solution

The fourth proportional to 906,488.52, 1,250,954.80 and 498,621.40 is: 688,097.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,488.52 : 1,250,954.80 = 498,621.40 : x
  2. Step 2: Convert to fraction form
    906,488.52/1,250,954.80 = 498,621.40/x
  3. Step 3: Cross multiply
    906,488.52x = 1,250,954.80 × 498,621.40
  4. Step 4: Simplify right side
    906,488.52x = 623,752,830,970.76
  5. Step 5: Solve for x
    x = 623,752,830,970.76/906,488.52
  6. Step 6: Final answer
    x = 688,097.88

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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.