Home / 742,927.09-1,025,288.38-416,266.29

Finding the Fourth Proportional to 742,927.09, 1,025,288.38 and 416,266.29

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Solution

The fourth proportional to 742,927.09, 1,025,288.38 and 416,266.29 is: 574,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,927.09 : 1,025,288.38 = 416,266.29 : x
  2. Step 2: Convert to fraction form
    742,927.09/1,025,288.38 = 416,266.29/x
  3. Step 3: Cross multiply
    742,927.09x = 1,025,288.38 × 416,266.29
  4. Step 4: Simplify right side
    742,927.09x = 426,792,990,643.04
  5. Step 5: Solve for x
    x = 426,792,990,643.04/742,927.09
  6. Step 6: Final answer
    x = 574,474.93

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Double scale
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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.