Home / 839,242.48-1,158,163.12-457,275.64

Finding the Fourth Proportional to 839,242.48, 1,158,163.12 and 457,275.64

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Solution

The fourth proportional to 839,242.48, 1,158,163.12 and 457,275.64 is: 631,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,242.48 : 1,158,163.12 = 457,275.64 : x
  2. Step 2: Convert to fraction form
    839,242.48/1,158,163.12 = 457,275.64/x
  3. Step 3: Cross multiply
    839,242.48x = 1,158,163.12 × 457,275.64
  4. Step 4: Simplify right side
    839,242.48x = 529,599,781,922.40
  5. Step 5: Solve for x
    x = 529,599,781,922.40/839,242.48
  6. Step 6: Final answer
    x = 631,045.01

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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.