Home / 704,828.80-1,057,243.20-406,230.40

Finding the Fourth Proportional to 704,828.80, 1,057,243.20 and 406,230.40

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Solution

The fourth proportional to 704,828.80, 1,057,243.20 and 406,230.40 is: 609,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,828.80 : 1,057,243.20 = 406,230.40 : x
  2. Step 2: Convert to fraction form
    704,828.80/1,057,243.20 = 406,230.40/x
  3. Step 3: Cross multiply
    704,828.80x = 1,057,243.20 × 406,230.40
  4. Step 4: Simplify right side
    704,828.80x = 429,484,328,033.28
  5. Step 5: Solve for x
    x = 429,484,328,033.28/704,828.80
  6. Step 6: Final answer
    x = 609,345.60

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Similar ratio
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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.