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Finding the Fourth Proportional to 652,465.40, 978,698.10 and 463,508.60

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Solution

The fourth proportional to 652,465.40, 978,698.10 and 463,508.60 is: 695,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,465.40 : 978,698.10 = 463,508.60 : x
  2. Step 2: Convert to fraction form
    652,465.40/978,698.10 = 463,508.60/x
  3. Step 3: Cross multiply
    652,465.40x = 978,698.10 × 463,508.60
  4. Step 4: Simplify right side
    652,465.40x = 453,634,986,153.66
  5. Step 5: Solve for x
    x = 453,634,986,153.66/652,465.40
  6. Step 6: Final answer
    x = 695,262.90

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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.