Home / 714,501.25-985,975.01-424,125.06

Finding the Fourth Proportional to 714,501.25, 985,975.01 and 424,125.06

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Solution

The fourth proportional to 714,501.25, 985,975.01 and 424,125.06 is: 585,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,501.25 : 985,975.01 = 424,125.06 : x
  2. Step 2: Convert to fraction form
    714,501.25/985,975.01 = 424,125.06/x
  3. Step 3: Cross multiply
    714,501.25x = 985,975.01 × 424,125.06
  4. Step 4: Simplify right side
    714,501.25x = 418,176,710,400.45
  5. Step 5: Solve for x
    x = 418,176,710,400.45/714,501.25
  6. Step 6: Final answer
    x = 585,270.79

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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.