Home / 1,031,557.60-1,547,555.10-311,840.20

Finding the Fourth Proportional to 1,031,557.60, 1,547,555.10 and 311,840.20

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Solution

The fourth proportional to 1,031,557.60, 1,547,555.10 and 311,840.20 is: 467,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,557.60 : 1,547,555.10 = 311,840.20 : x
  2. Step 2: Convert to fraction form
    1,031,557.60/1,547,555.10 = 311,840.20/x
  3. Step 3: Cross multiply
    1,031,557.60x = 1,547,555.10 × 311,840.20
  4. Step 4: Simplify right side
    1,031,557.60x = 482,589,891,895.02
  5. Step 5: Solve for x
    x = 482,589,891,895.02/1,031,557.60
  6. Step 6: Final answer
    x = 467,826.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.