Home / 917,410.24-1,374,952.80-518,275.88

Finding the Fourth Proportional to 917,410.24, 1,374,952.80 and 518,275.88

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Solution

The fourth proportional to 917,410.24, 1,374,952.80 and 518,275.88 is: 776,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,410.24 : 1,374,952.80 = 518,275.88 : x
  2. Step 2: Convert to fraction form
    917,410.24/1,374,952.80 = 518,275.88/x
  3. Step 3: Cross multiply
    917,410.24x = 1,374,952.80 × 518,275.88
  4. Step 4: Simplify right side
    917,410.24x = 712,604,872,378.46
  5. Step 5: Solve for x
    x = 712,604,872,378.46/917,410.24
  6. Step 6: Final answer
    x = 776,757.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.