Home / 807,045.78-1,113,709.59-444,503.40

Finding the Fourth Proportional to 807,045.78, 1,113,709.59 and 444,503.40

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Solution

The fourth proportional to 807,045.78, 1,113,709.59 and 444,503.40 is: 613,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,045.78 : 1,113,709.59 = 444,503.40 : x
  2. Step 2: Convert to fraction form
    807,045.78/1,113,709.59 = 444,503.40/x
  3. Step 3: Cross multiply
    807,045.78x = 1,113,709.59 × 444,503.40
  4. Step 4: Simplify right side
    807,045.78x = 495,047,699,367.61
  5. Step 5: Solve for x
    x = 495,047,699,367.61/807,045.78
  6. Step 6: Final answer
    x = 613,407.21

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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.