Home / 807,075.97-1,113,815.18-444,499.72

Finding the Fourth Proportional to 807,075.97, 1,113,815.18 and 444,499.72

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Solution

The fourth proportional to 807,075.97, 1,113,815.18 and 444,499.72 is: 613,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,075.97 : 1,113,815.18 = 444,499.72 : x
  2. Step 2: Convert to fraction form
    807,075.97/1,113,815.18 = 444,499.72/x
  3. Step 3: Cross multiply
    807,075.97x = 1,113,815.18 × 444,499.72
  4. Step 4: Simplify right side
    807,075.97x = 495,090,533,968.46
  5. Step 5: Solve for x
    x = 495,090,533,968.46/807,075.97
  6. Step 6: Final answer
    x = 613,437.34

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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.