Home / 906,702.59-1,251,200.14-498,738.58

Finding the Fourth Proportional to 906,702.59, 1,251,200.14 and 498,738.58

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Solution

The fourth proportional to 906,702.59, 1,251,200.14 and 498,738.58 is: 688,232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,702.59 : 1,251,200.14 = 498,738.58 : x
  2. Step 2: Convert to fraction form
    906,702.59/1,251,200.14 = 498,738.58/x
  3. Step 3: Cross multiply
    906,702.59x = 1,251,200.14 × 498,738.58
  4. Step 4: Simplify right side
    906,702.59x = 624,021,776,744.56
  5. Step 5: Solve for x
    x = 624,021,776,744.56/906,702.59
  6. Step 6: Final answer
    x = 688,232.04

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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.