Home / 807,477.45-1,114,319.96-439,952.71

Finding the Fourth Proportional to 807,477.45, 1,114,319.96 and 439,952.71

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Solution

The fourth proportional to 807,477.45, 1,114,319.96 and 439,952.71 is: 607,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,477.45 : 1,114,319.96 = 439,952.71 : x
  2. Step 2: Convert to fraction form
    807,477.45/1,114,319.96 = 439,952.71/x
  3. Step 3: Cross multiply
    807,477.45x = 1,114,319.96 × 439,952.71
  4. Step 4: Simplify right side
    807,477.45x = 490,248,083,423.29
  5. Step 5: Solve for x
    x = 490,248,083,423.29/807,477.45
  6. Step 6: Final answer
    x = 607,135.32

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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.