Home / 784,039.72-1,175,026.16-310,466.72

Finding the Fourth Proportional to 784,039.72, 1,175,026.16 and 310,466.72

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Solution

The fourth proportional to 784,039.72, 1,175,026.16 and 310,466.72 is: 465,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,039.72 : 1,175,026.16 = 310,466.72 : x
  2. Step 2: Convert to fraction form
    784,039.72/1,175,026.16 = 310,466.72/x
  3. Step 3: Cross multiply
    784,039.72x = 1,175,026.16 × 310,466.72
  4. Step 4: Simplify right side
    784,039.72x = 364,806,517,809.40
  5. Step 5: Solve for x
    x = 364,806,517,809.40/784,039.72
  6. Step 6: Final answer
    x = 465,290.86

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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.