Home / 507,356.13-700,156.61-306,113.25

Finding the Fourth Proportional to 507,356.13, 700,156.61 and 306,113.25

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Solution

The fourth proportional to 507,356.13, 700,156.61 and 306,113.25 is: 422,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,356.13 : 700,156.61 = 306,113.25 : x
  2. Step 2: Convert to fraction form
    507,356.13/700,156.61 = 306,113.25/x
  3. Step 3: Cross multiply
    507,356.13x = 700,156.61 × 306,113.25
  4. Step 4: Simplify right side
    507,356.13x = 214,327,213,865.52
  5. Step 5: Solve for x
    x = 214,327,213,865.52/507,356.13
  6. Step 6: Final answer
    x = 422,439.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.