Home / 906,759.30-1,251,354.93-498,903.30

Finding the Fourth Proportional to 906,759.30, 1,251,354.93 and 498,903.30

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Solution

The fourth proportional to 906,759.30, 1,251,354.93 and 498,903.30 is: 688,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,759.30 : 1,251,354.93 = 498,903.30 : x
  2. Step 2: Convert to fraction form
    906,759.30/1,251,354.93 = 498,903.30/x
  3. Step 3: Cross multiply
    906,759.30x = 1,251,354.93 × 498,903.30
  4. Step 4: Simplify right side
    906,759.30x = 624,305,104,048.27
  5. Step 5: Solve for x
    x = 624,305,104,048.27/906,759.30
  6. Step 6: Final answer
    x = 688,501.46

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Double scale
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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.