Home / 832,470.78-1,148,812.57-450,497.46

Finding the Fourth Proportional to 832,470.78, 1,148,812.57 and 450,497.46

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Solution

The fourth proportional to 832,470.78, 1,148,812.57 and 450,497.46 is: 621,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,470.78 : 1,148,812.57 = 450,497.46 : x
  2. Step 2: Convert to fraction form
    832,470.78/1,148,812.57 = 450,497.46/x
  3. Step 3: Cross multiply
    832,470.78x = 1,148,812.57 × 450,497.46
  4. Step 4: Simplify right side
    832,470.78x = 517,537,144,801.07
  5. Step 5: Solve for x
    x = 517,537,144,801.07/832,470.78
  6. Step 6: Final answer
    x = 621,688.06

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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.