Home / 890,345.20-1,229,101.96-508,298.18

Finding the Fourth Proportional to 890,345.20, 1,229,101.96 and 508,298.18

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Solution

The fourth proportional to 890,345.20, 1,229,101.96 and 508,298.18 is: 701,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,345.20 : 1,229,101.96 = 508,298.18 : x
  2. Step 2: Convert to fraction form
    890,345.20/1,229,101.96 = 508,298.18/x
  3. Step 3: Cross multiply
    890,345.20x = 1,229,101.96 × 508,298.18
  4. Step 4: Simplify right side
    890,345.20x = 624,750,289,302.43
  5. Step 5: Solve for x
    x = 624,750,289,302.43/890,345.20
  6. Step 6: Final answer
    x = 701,694.45

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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.