Home / 457,935.04-631,220.45-360,980.91

Finding the Fourth Proportional to 457,935.04, 631,220.45 and 360,980.91

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Solution

The fourth proportional to 457,935.04, 631,220.45 and 360,980.91 is: 497,578.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,935.04 : 631,220.45 = 360,980.91 : x
  2. Step 2: Convert to fraction form
    457,935.04/631,220.45 = 360,980.91/x
  3. Step 3: Cross multiply
    457,935.04x = 631,220.45 × 360,980.91
  4. Step 4: Simplify right side
    457,935.04x = 227,858,530,646.71
  5. Step 5: Solve for x
    x = 227,858,530,646.71/457,935.04
  6. Step 6: Final answer
    x = 497,578.28

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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.