Home / 704,815.20-1,057,417.20-349,840.80

Finding the Fourth Proportional to 704,815.20, 1,057,417.20 and 349,840.80

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Solution

The fourth proportional to 704,815.20, 1,057,417.20 and 349,840.80 is: 524,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,815.20 : 1,057,417.20 = 349,840.80 : x
  2. Step 2: Convert to fraction form
    704,815.20/1,057,417.20 = 349,840.80/x
  3. Step 3: Cross multiply
    704,815.20x = 1,057,417.20 × 349,840.80
  4. Step 4: Simplify right side
    704,815.20x = 369,927,679,181.76
  5. Step 5: Solve for x
    x = 369,927,679,181.76/704,815.20
  6. Step 6: Final answer
    x = 524,857.69

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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.