Home / 942,388.62-1,300,498.11-512,670.66

Finding the Fourth Proportional to 942,388.62, 1,300,498.11 and 512,670.66

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Solution

The fourth proportional to 942,388.62, 1,300,498.11 and 512,670.66 is: 707,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,388.62 : 1,300,498.11 = 512,670.66 : x
  2. Step 2: Convert to fraction form
    942,388.62/1,300,498.11 = 512,670.66/x
  3. Step 3: Cross multiply
    942,388.62x = 1,300,498.11 × 512,670.66
  4. Step 4: Simplify right side
    942,388.62x = 666,727,224,382.45
  5. Step 5: Solve for x
    x = 666,727,224,382.45/942,388.62
  6. Step 6: Final answer
    x = 707,486.50

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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.