Home / 914,738.49-1,372,325.76-315,704.88

Finding the Fourth Proportional to 914,738.49, 1,372,325.76 and 315,704.88

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Solution

The fourth proportional to 914,738.49, 1,372,325.76 and 315,704.88 is: 473,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,738.49 : 1,372,325.76 = 315,704.88 : x
  2. Step 2: Convert to fraction form
    914,738.49/1,372,325.76 = 315,704.88/x
  3. Step 3: Cross multiply
    914,738.49x = 1,372,325.76 × 315,704.88
  4. Step 4: Simplify right side
    914,738.49x = 433,249,939,381.71
  5. Step 5: Solve for x
    x = 433,249,939,381.71/914,738.49
  6. Step 6: Final answer
    x = 473,632.57

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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.