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Finding the Fourth Proportional to 652,315.69, 977,670.42 and 310,938.63

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Solution

The fourth proportional to 652,315.69, 977,670.42 and 310,938.63 is: 466,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,315.69 : 977,670.42 = 310,938.63 : x
  2. Step 2: Convert to fraction form
    652,315.69/977,670.42 = 310,938.63/x
  3. Step 3: Cross multiply
    652,315.69x = 977,670.42 × 310,938.63
  4. Step 4: Simplify right side
    652,315.69x = 303,995,500,986.33
  5. Step 5: Solve for x
    x = 303,995,500,986.33/652,315.69
  6. Step 6: Final answer
    x = 466,025.13

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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.