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Finding the Fourth Proportional to 425,501.20, 637,595.70 and 369,076.60

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Solution

The fourth proportional to 425,501.20, 637,595.70 and 369,076.60 is: 553,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,501.20 : 637,595.70 = 369,076.60 : x
  2. Step 2: Convert to fraction form
    425,501.20/637,595.70 = 369,076.60/x
  3. Step 3: Cross multiply
    425,501.20x = 637,595.70 × 369,076.60
  4. Step 4: Simplify right side
    425,501.20x = 235,321,653,130.62
  5. Step 5: Solve for x
    x = 235,321,653,130.62/425,501.20
  6. Step 6: Final answer
    x = 553,045.80

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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.