Home / 847,479.20-1,169,529.76-460,302.24

Finding the Fourth Proportional to 847,479.20, 1,169,529.76 and 460,302.24

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Solution

The fourth proportional to 847,479.20, 1,169,529.76 and 460,302.24 is: 635,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,479.20 : 1,169,529.76 = 460,302.24 : x
  2. Step 2: Convert to fraction form
    847,479.20/1,169,529.76 = 460,302.24/x
  3. Step 3: Cross multiply
    847,479.20x = 1,169,529.76 × 460,302.24
  4. Step 4: Simplify right side
    847,479.20x = 538,337,168,274.66
  5. Step 5: Solve for x
    x = 538,337,168,274.66/847,479.20
  6. Step 6: Final answer
    x = 635,221.69

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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.