Home / 760,805.58-1,139,589.90-617,979.90

Finding the Fourth Proportional to 760,805.58, 1,139,589.90 and 617,979.90

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Solution

The fourth proportional to 760,805.58, 1,139,589.90 and 617,979.90 is: 925,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,805.58 : 1,139,589.90 = 617,979.90 : x
  2. Step 2: Convert to fraction form
    760,805.58/1,139,589.90 = 617,979.90/x
  3. Step 3: Cross multiply
    760,805.58x = 1,139,589.90 × 617,979.90
  4. Step 4: Simplify right side
    760,805.58x = 704,243,652,443.01
  5. Step 5: Solve for x
    x = 704,243,652,443.01/760,805.58
  6. Step 6: Final answer
    x = 925,655.21

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1.5x scale

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.