Home / 665,365.07-917,247.77-474,046.31

Finding the Fourth Proportional to 665,365.07, 917,247.77 and 474,046.31

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Solution

The fourth proportional to 665,365.07, 917,247.77 and 474,046.31 is: 653,502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,365.07 : 917,247.77 = 474,046.31 : x
  2. Step 2: Convert to fraction form
    665,365.07/917,247.77 = 474,046.31/x
  3. Step 3: Cross multiply
    665,365.07x = 917,247.77 × 474,046.31
  4. Step 4: Simplify right side
    665,365.07x = 434,817,913,767.76
  5. Step 5: Solve for x
    x = 434,817,913,767.76/665,365.07
  6. Step 6: Final answer
    x = 653,502.77

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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.