Home / 740,866.98-1,111,275.18-314,128.11

Finding the Fourth Proportional to 740,866.98, 1,111,275.18 and 314,128.11

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Solution

The fourth proportional to 740,866.98, 1,111,275.18 and 314,128.11 is: 471,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,866.98 : 1,111,275.18 = 314,128.11 : x
  2. Step 2: Convert to fraction form
    740,866.98/1,111,275.18 = 314,128.11/x
  3. Step 3: Cross multiply
    740,866.98x = 1,111,275.18 × 314,128.11
  4. Step 4: Simplify right side
    740,866.98x = 349,082,771,983.31
  5. Step 5: Solve for x
    x = 349,082,771,983.31/740,866.98
  6. Step 6: Final answer
    x = 471,181.44

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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.