Home / 852,401.28-1,176,279.39-470,423.10

Finding the Fourth Proportional to 852,401.28, 1,176,279.39 and 470,423.10

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Solution

The fourth proportional to 852,401.28, 1,176,279.39 and 470,423.10 is: 649,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,401.28 : 1,176,279.39 = 470,423.10 : x
  2. Step 2: Convert to fraction form
    852,401.28/1,176,279.39 = 470,423.10/x
  3. Step 3: Cross multiply
    852,401.28x = 1,176,279.39 × 470,423.10
  4. Step 4: Simplify right side
    852,401.28x = 553,348,997,109.91
  5. Step 5: Solve for x
    x = 553,348,997,109.91/852,401.28
  6. Step 6: Final answer
    x = 649,164.91

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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.