Home / 629,480.23-868,655.56-357,547.28

Finding the Fourth Proportional to 629,480.23, 868,655.56 and 357,547.28

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Solution

The fourth proportional to 629,480.23, 868,655.56 and 357,547.28 is: 493,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,480.23 : 868,655.56 = 357,547.28 : x
  2. Step 2: Convert to fraction form
    629,480.23/868,655.56 = 357,547.28/x
  3. Step 3: Cross multiply
    629,480.23x = 868,655.56 × 357,547.28
  4. Step 4: Simplify right side
    629,480.23x = 310,585,433,054.32
  5. Step 5: Solve for x
    x = 310,585,433,054.32/629,480.23
  6. Step 6: Final answer
    x = 493,399.82

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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.