Home / 507,928.61-761,885.16-123,681.06

Finding the Fourth Proportional to 507,928.61, 761,885.16 and 123,681.06

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Solution

The fourth proportional to 507,928.61, 761,885.16 and 123,681.06 is: 185,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,928.61 : 761,885.16 = 123,681.06 : x
  2. Step 2: Convert to fraction form
    507,928.61/761,885.16 = 123,681.06/x
  3. Step 3: Cross multiply
    507,928.61x = 761,885.16 × 123,681.06
  4. Step 4: Simplify right side
    507,928.61x = 94,230,764,187.07
  5. Step 5: Solve for x
    x = 94,230,764,187.07/507,928.61
  6. Step 6: Final answer
    x = 185,519.70

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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.