Home / 914,741.55-1,372,330.35-315,707.94

Finding the Fourth Proportional to 914,741.55, 1,372,330.35 and 315,707.94

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Solution

The fourth proportional to 914,741.55, 1,372,330.35 and 315,707.94 is: 473,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,741.55 : 1,372,330.35 = 315,707.94 : x
  2. Step 2: Convert to fraction form
    914,741.55/1,372,330.35 = 315,707.94/x
  3. Step 3: Cross multiply
    914,741.55x = 1,372,330.35 × 315,707.94
  4. Step 4: Simplify right side
    914,741.55x = 433,255,587,797.98
  5. Step 5: Solve for x
    x = 433,255,587,797.98/914,741.55
  6. Step 6: Final answer
    x = 473,637.16

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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.