Home / 908,140.80-1,363,523.40-685,066.80

Finding the Fourth Proportional to 908,140.80, 1,363,523.40 and 685,066.80

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Solution

The fourth proportional to 908,140.80, 1,363,523.40 and 685,066.80 is: 1,028,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,140.80 : 1,363,523.40 = 685,066.80 : x
  2. Step 2: Convert to fraction form
    908,140.80/1,363,523.40 = 685,066.80/x
  3. Step 3: Cross multiply
    908,140.80x = 1,363,523.40 × 685,066.80
  4. Step 4: Simplify right side
    908,140.80x = 934,104,612,363.12
  5. Step 5: Solve for x
    x = 934,104,612,363.12/908,140.80
  6. Step 6: Final answer
    x = 1,028,590.07

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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.