Home / 615,739.04-849,734.30-343,797.74

Finding the Fourth Proportional to 615,739.04, 849,734.30 and 343,797.74

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Solution

The fourth proportional to 615,739.04, 849,734.30 and 343,797.74 is: 474,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,739.04 : 849,734.30 = 343,797.74 : x
  2. Step 2: Convert to fraction form
    615,739.04/849,734.30 = 343,797.74/x
  3. Step 3: Cross multiply
    615,739.04x = 849,734.30 × 343,797.74
  4. Step 4: Simplify right side
    615,739.04x = 292,136,728,551.31
  5. Step 5: Solve for x
    x = 292,136,728,551.31/615,739.04
  6. Step 6: Final answer
    x = 474,448.93

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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.