Home / 988,341.53-1,482,632.26-278,369.57

Finding the Fourth Proportional to 988,341.53, 1,482,632.26 and 278,369.57

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Solution

The fourth proportional to 988,341.53, 1,482,632.26 and 278,369.57 is: 417,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,341.53 : 1,482,632.26 = 278,369.57 : x
  2. Step 2: Convert to fraction form
    988,341.53/1,482,632.26 = 278,369.57/x
  3. Step 3: Cross multiply
    988,341.53x = 1,482,632.26 × 278,369.57
  4. Step 4: Simplify right side
    988,341.53x = 412,719,703,292.48
  5. Step 5: Solve for x
    x = 412,719,703,292.48/988,341.53
  6. Step 6: Final answer
    x = 417,588.14

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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.