Home / 774,121.05-1,161,180.36-507,818.16

Finding the Fourth Proportional to 774,121.05, 1,161,180.36 and 507,818.16

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Solution

The fourth proportional to 774,121.05, 1,161,180.36 and 507,818.16 is: 761,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,121.05 : 1,161,180.36 = 507,818.16 : x
  2. Step 2: Convert to fraction form
    774,121.05/1,161,180.36 = 507,818.16/x
  3. Step 3: Cross multiply
    774,121.05x = 1,161,180.36 × 507,818.16
  4. Step 4: Simplify right side
    774,121.05x = 589,668,473,843.34
  5. Step 5: Solve for x
    x = 589,668,473,843.34/774,121.05
  6. Step 6: Final answer
    x = 761,726.44

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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.