Home / 907,648.16-1,252,544.13-499,741.65

Finding the Fourth Proportional to 907,648.16, 1,252,544.13 and 499,741.65

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Solution

The fourth proportional to 907,648.16, 1,252,544.13 and 499,741.65 is: 689,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,648.16 : 1,252,544.13 = 499,741.65 : x
  2. Step 2: Convert to fraction form
    907,648.16/1,252,544.13 = 499,741.65/x
  3. Step 3: Cross multiply
    907,648.16x = 1,252,544.13 × 499,741.65
  4. Step 4: Simplify right side
    907,648.16x = 625,948,470,224.02
  5. Step 5: Solve for x
    x = 625,948,470,224.02/907,648.16
  6. Step 6: Final answer
    x = 689,637.79

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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.