Home / 566,212.85-781,350.16-308,090.81

Finding the Fourth Proportional to 566,212.85, 781,350.16 and 308,090.81

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Solution

The fourth proportional to 566,212.85, 781,350.16 and 308,090.81 is: 425,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,212.85 : 781,350.16 = 308,090.81 : x
  2. Step 2: Convert to fraction form
    566,212.85/781,350.16 = 308,090.81/x
  3. Step 3: Cross multiply
    566,212.85x = 781,350.16 × 308,090.81
  4. Step 4: Simplify right side
    566,212.85x = 240,726,804,871.18
  5. Step 5: Solve for x
    x = 240,726,804,871.18/566,212.85
  6. Step 6: Final answer
    x = 425,152.49

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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.