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Finding the Fourth Proportional to 652,226.40, 978,339.60 and 604,987.20

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Solution

The fourth proportional to 652,226.40, 978,339.60 and 604,987.20 is: 907,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,226.40 : 978,339.60 = 604,987.20 : x
  2. Step 2: Convert to fraction form
    652,226.40/978,339.60 = 604,987.20/x
  3. Step 3: Cross multiply
    652,226.40x = 978,339.60 × 604,987.20
  4. Step 4: Simplify right side
    652,226.40x = 591,882,935,253.12
  5. Step 5: Solve for x
    x = 591,882,935,253.12/652,226.40
  6. Step 6: Final answer
    x = 907,480.80

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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.