Home / 1,029,810.30-1,545,007.05-319,910.10

Finding the Fourth Proportional to 1,029,810.30, 1,545,007.05 and 319,910.10

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Solution

The fourth proportional to 1,029,810.30, 1,545,007.05 and 319,910.10 is: 479,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,810.30 : 1,545,007.05 = 319,910.10 : x
  2. Step 2: Convert to fraction form
    1,029,810.30/1,545,007.05 = 319,910.10/x
  3. Step 3: Cross multiply
    1,029,810.30x = 1,545,007.05 × 319,910.10
  4. Step 4: Simplify right side
    1,029,810.30x = 494,263,359,866.21
  5. Step 5: Solve for x
    x = 494,263,359,866.21/1,029,810.30
  6. Step 6: Final answer
    x = 479,955.74

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Double scale
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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.