Home / 800,675.02-1,104,822.51-478,316.66

Finding the Fourth Proportional to 800,675.02, 1,104,822.51 and 478,316.66

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Solution

The fourth proportional to 800,675.02, 1,104,822.51 and 478,316.66 is: 660,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,675.02 : 1,104,822.51 = 478,316.66 : x
  2. Step 2: Convert to fraction form
    800,675.02/1,104,822.51 = 478,316.66/x
  3. Step 3: Cross multiply
    800,675.02x = 1,104,822.51 × 478,316.66
  4. Step 4: Simplify right side
    800,675.02x = 528,455,012,876.02
  5. Step 5: Solve for x
    x = 528,455,012,876.02/800,675.02
  6. Step 6: Final answer
    x = 660,011.87

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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.