Home / 840,918.93-1,160,451.93-458,948.45

Finding the Fourth Proportional to 840,918.93, 1,160,451.93 and 458,948.45

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Solution

The fourth proportional to 840,918.93, 1,160,451.93 and 458,948.45 is: 633,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,918.93 : 1,160,451.93 = 458,948.45 : x
  2. Step 2: Convert to fraction form
    840,918.93/1,160,451.93 = 458,948.45/x
  3. Step 3: Cross multiply
    840,918.93x = 1,160,451.93 × 458,948.45
  4. Step 4: Simplify right side
    840,918.93x = 532,587,612,667.65
  5. Step 5: Solve for x
    x = 532,587,612,667.65/840,918.93
  6. Step 6: Final answer
    x = 633,340.02

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1.5x scale

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.