Home / 907,723.74-1,360,955.04-402,009.12

Finding the Fourth Proportional to 907,723.74, 1,360,955.04 and 402,009.12

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Solution

The fourth proportional to 907,723.74, 1,360,955.04 and 402,009.12 is: 602,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,723.74 : 1,360,955.04 = 402,009.12 : x
  2. Step 2: Convert to fraction form
    907,723.74/1,360,955.04 = 402,009.12/x
  3. Step 3: Cross multiply
    907,723.74x = 1,360,955.04 × 402,009.12
  4. Step 4: Simplify right side
    907,723.74x = 547,116,337,989.97
  5. Step 5: Solve for x
    x = 547,116,337,989.97/907,723.74
  6. Step 6: Final answer
    x = 602,734.42

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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.