Home / 906,137.50-1,250,501.86-498,270.36

Finding the Fourth Proportional to 906,137.50, 1,250,501.86 and 498,270.36

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Solution

The fourth proportional to 906,137.50, 1,250,501.86 and 498,270.36 is: 687,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,137.50 : 1,250,501.86 = 498,270.36 : x
  2. Step 2: Convert to fraction form
    906,137.50/1,250,501.86 = 498,270.36/x
  3. Step 3: Cross multiply
    906,137.50x = 1,250,501.86 × 498,270.36
  4. Step 4: Simplify right side
    906,137.50x = 623,088,011,962.87
  5. Step 5: Solve for x
    x = 623,088,011,962.87/906,137.50
  6. Step 6: Final answer
    x = 687,630.75

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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.