Home / 465,430.04-698,185.14-128,470.75

Finding the Fourth Proportional to 465,430.04, 698,185.14 and 128,470.75

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Solution

The fourth proportional to 465,430.04, 698,185.14 and 128,470.75 is: 192,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,430.04 : 698,185.14 = 128,470.75 : x
  2. Step 2: Convert to fraction form
    465,430.04/698,185.14 = 128,470.75/x
  3. Step 3: Cross multiply
    465,430.04x = 698,185.14 × 128,470.75
  4. Step 4: Simplify right side
    465,430.04x = 89,696,368,574.66
  5. Step 5: Solve for x
    x = 89,696,368,574.66/465,430.04
  6. Step 6: Final answer
    x = 192,717.19

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1.5x scale

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.