Home / 742,775.29-1,025,034.09-436,864.57

Finding the Fourth Proportional to 742,775.29, 1,025,034.09 and 436,864.57

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Solution

The fourth proportional to 742,775.29, 1,025,034.09 and 436,864.57 is: 602,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,775.29 : 1,025,034.09 = 436,864.57 : x
  2. Step 2: Convert to fraction form
    742,775.29/1,025,034.09 = 436,864.57/x
  3. Step 3: Cross multiply
    742,775.29x = 1,025,034.09 × 436,864.57
  4. Step 4: Simplify right side
    742,775.29x = 447,801,076,963.19
  5. Step 5: Solve for x
    x = 447,801,076,963.19/742,775.29
  6. Step 6: Final answer
    x = 602,875.57

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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.