Home / 807,040.84-1,113,673.65-462,859.08

Finding the Fourth Proportional to 807,040.84, 1,113,673.65 and 462,859.08

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Solution

The fourth proportional to 807,040.84, 1,113,673.65 and 462,859.08 is: 638,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,040.84 : 1,113,673.65 = 462,859.08 : x
  2. Step 2: Convert to fraction form
    807,040.84/1,113,673.65 = 462,859.08/x
  3. Step 3: Cross multiply
    807,040.84x = 1,113,673.65 × 462,859.08
  4. Step 4: Simplify right side
    807,040.84x = 515,473,961,059.24
  5. Step 5: Solve for x
    x = 515,473,961,059.24/807,040.84
  6. Step 6: Final answer
    x = 638,721.04

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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.