Home / 880,956.41-1,215,430.72-493,715.25

Finding the Fourth Proportional to 880,956.41, 1,215,430.72 and 493,715.25

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Solution

The fourth proportional to 880,956.41, 1,215,430.72 and 493,715.25 is: 681,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,956.41 : 1,215,430.72 = 493,715.25 : x
  2. Step 2: Convert to fraction form
    880,956.41/1,215,430.72 = 493,715.25/x
  3. Step 3: Cross multiply
    880,956.41x = 1,215,430.72 × 493,715.25
  4. Step 4: Simplify right side
    880,956.41x = 600,076,680,548.19
  5. Step 5: Solve for x
    x = 600,076,680,548.19/880,956.41
  6. Step 6: Final answer
    x = 681,165.01

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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.