Home / 839,459.31-1,158,420.04-457,477.89

Finding the Fourth Proportional to 839,459.31, 1,158,420.04 and 457,477.89

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Solution

The fourth proportional to 839,459.31, 1,158,420.04 and 457,477.89 is: 631,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,459.31 : 1,158,420.04 = 457,477.89 : x
  2. Step 2: Convert to fraction form
    839,459.31/1,158,420.04 = 457,477.89/x
  3. Step 3: Cross multiply
    839,459.31x = 1,158,420.04 × 457,477.89
  4. Step 4: Simplify right side
    839,459.31x = 529,951,555,632.92
  5. Step 5: Solve for x
    x = 529,951,555,632.92/839,459.31
  6. Step 6: Final answer
    x = 631,301.06

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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.