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Finding the Fourth Proportional to 652,309.20, 977,254.20 and 370,990.80

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Solution

The fourth proportional to 652,309.20, 977,254.20 and 370,990.80 is: 555,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,309.20 : 977,254.20 = 370,990.80 : x
  2. Step 2: Convert to fraction form
    652,309.20/977,254.20 = 370,990.80/x
  3. Step 3: Cross multiply
    652,309.20x = 977,254.20 × 370,990.80
  4. Step 4: Simplify right side
    652,309.20x = 362,552,317,461.36
  5. Step 5: Solve for x
    x = 362,552,317,461.36/652,309.20
  6. Step 6: Final answer
    x = 555,798.26

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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.