Home / 771,208.02-1,156,799.66-210,242.52

Finding the Fourth Proportional to 771,208.02, 1,156,799.66 and 210,242.52

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Solution

The fourth proportional to 771,208.02, 1,156,799.66 and 210,242.52 is: 315,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,208.02 : 1,156,799.66 = 210,242.52 : x
  2. Step 2: Convert to fraction form
    771,208.02/1,156,799.66 = 210,242.52/x
  3. Step 3: Cross multiply
    771,208.02x = 1,156,799.66 × 210,242.52
  4. Step 4: Simplify right side
    771,208.02x = 243,208,474,602.33
  5. Step 5: Solve for x
    x = 243,208,474,602.33/771,208.02
  6. Step 6: Final answer
    x = 315,360.41

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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.