Home / 742,908.98-1,025,185.65-403,369.46

Finding the Fourth Proportional to 742,908.98, 1,025,185.65 and 403,369.46

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Solution

The fourth proportional to 742,908.98, 1,025,185.65 and 403,369.46 is: 556,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,908.98 : 1,025,185.65 = 403,369.46 : x
  2. Step 2: Convert to fraction form
    742,908.98/1,025,185.65 = 403,369.46/x
  3. Step 3: Cross multiply
    742,908.98x = 1,025,185.65 × 403,369.46
  4. Step 4: Simplify right side
    742,908.98x = 413,528,582,040.25
  5. Step 5: Solve for x
    x = 413,528,582,040.25/742,908.98
  6. Step 6: Final answer
    x = 556,634.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.