Home / 756,937.60-1,133,908.80-490,883.20

Finding the Fourth Proportional to 756,937.60, 1,133,908.80 and 490,883.20

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Solution

The fourth proportional to 756,937.60, 1,133,908.80 and 490,883.20 is: 735,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,937.60 : 1,133,908.80 = 490,883.20 : x
  2. Step 2: Convert to fraction form
    756,937.60/1,133,908.80 = 490,883.20/x
  3. Step 3: Cross multiply
    756,937.60x = 1,133,908.80 × 490,883.20
  4. Step 4: Simplify right side
    756,937.60x = 556,616,780,252.16
  5. Step 5: Solve for x
    x = 556,616,780,252.16/756,937.60
  6. Step 6: Final answer
    x = 735,353.59

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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.