Home / 804,501.45-1,206,752.18-425,275.65

Finding the Fourth Proportional to 804,501.45, 1,206,752.18 and 425,275.65

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Solution

The fourth proportional to 804,501.45, 1,206,752.18 and 425,275.65 is: 637,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,501.45 : 1,206,752.18 = 425,275.65 : x
  2. Step 2: Convert to fraction form
    804,501.45/1,206,752.18 = 425,275.65/x
  3. Step 3: Cross multiply
    804,501.45x = 1,206,752.18 × 425,275.65
  4. Step 4: Simplify right side
    804,501.45x = 513,202,315,612.04
  5. Step 5: Solve for x
    x = 513,202,315,612.04/804,501.45
  6. Step 6: Final answer
    x = 637,913.48

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Double scale
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Similar ratio
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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.