Home / 849,734.10-1,172,880.70-555,426.58

Finding the Fourth Proportional to 849,734.10, 1,172,880.70 and 555,426.58

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Solution

The fourth proportional to 849,734.10, 1,172,880.70 and 555,426.58 is: 766,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,734.10 : 1,172,880.70 = 555,426.58 : x
  2. Step 2: Convert to fraction form
    849,734.10/1,172,880.70 = 555,426.58/x
  3. Step 3: Cross multiply
    849,734.10x = 1,172,880.70 × 555,426.58
  4. Step 4: Simplify right side
    849,734.10x = 651,449,114,695.66
  5. Step 5: Solve for x
    x = 651,449,114,695.66/849,734.10
  6. Step 6: Final answer
    x = 766,650.55

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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.