Home / 906,339.63-1,250,723.70-498,441.46

Finding the Fourth Proportional to 906,339.63, 1,250,723.70 and 498,441.46

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Solution

The fourth proportional to 906,339.63, 1,250,723.70 and 498,441.46 is: 687,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,339.63 : 1,250,723.70 = 498,441.46 : x
  2. Step 2: Convert to fraction form
    906,339.63/1,250,723.70 = 498,441.46/x
  3. Step 3: Cross multiply
    906,339.63x = 1,250,723.70 × 498,441.46
  4. Step 4: Simplify right side
    906,339.63x = 623,412,547,084.60
  5. Step 5: Solve for x
    x = 623,412,547,084.60/906,339.63
  6. Step 6: Final answer
    x = 687,835.47

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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.