Home / 790,617.77-1,186,148.09-317,635.28

Finding the Fourth Proportional to 790,617.77, 1,186,148.09 and 317,635.28

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Solution

The fourth proportional to 790,617.77, 1,186,148.09 and 317,635.28 is: 476,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,617.77 : 1,186,148.09 = 317,635.28 : x
  2. Step 2: Convert to fraction form
    790,617.77/1,186,148.09 = 317,635.28/x
  3. Step 3: Cross multiply
    790,617.77x = 1,186,148.09 × 317,635.28
  4. Step 4: Simplify right side
    790,617.77x = 376,762,480,688.62
  5. Step 5: Solve for x
    x = 376,762,480,688.62/790,617.77
  6. Step 6: Final answer
    x = 476,541.88

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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.