Home / 670,501.90-1,005,752.85-404,125.30

Finding the Fourth Proportional to 670,501.90, 1,005,752.85 and 404,125.30

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Solution

The fourth proportional to 670,501.90, 1,005,752.85 and 404,125.30 is: 606,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,501.90 : 1,005,752.85 = 404,125.30 : x
  2. Step 2: Convert to fraction form
    670,501.90/1,005,752.85 = 404,125.30/x
  3. Step 3: Cross multiply
    670,501.90x = 1,005,752.85 × 404,125.30
  4. Step 4: Simplify right side
    670,501.90x = 406,450,172,232.11
  5. Step 5: Solve for x
    x = 406,450,172,232.11/670,501.90
  6. Step 6: Final answer
    x = 606,187.95

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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.