Home / 674,370.45-930,764.07-402,302.16

Finding the Fourth Proportional to 674,370.45, 930,764.07 and 402,302.16

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Solution

The fourth proportional to 674,370.45, 930,764.07 and 402,302.16 is: 555,256.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,370.45 : 930,764.07 = 402,302.16 : x
  2. Step 2: Convert to fraction form
    674,370.45/930,764.07 = 402,302.16/x
  3. Step 3: Cross multiply
    674,370.45x = 930,764.07 × 402,302.16
  4. Step 4: Simplify right side
    674,370.45x = 374,448,395,811.39
  5. Step 5: Solve for x
    x = 374,448,395,811.39/674,370.45
  6. Step 6: Final answer
    x = 555,256.23

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Double scale
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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.