Home / 346,726.90-520,090.35-325,731.70

Finding the Fourth Proportional to 346,726.90, 520,090.35 and 325,731.70

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Solution

The fourth proportional to 346,726.90, 520,090.35 and 325,731.70 is: 488,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,726.90 : 520,090.35 = 325,731.70 : x
  2. Step 2: Convert to fraction form
    346,726.90/520,090.35 = 325,731.70/x
  3. Step 3: Cross multiply
    346,726.90x = 520,090.35 × 325,731.70
  4. Step 4: Simplify right side
    346,726.90x = 169,409,913,859.10
  5. Step 5: Solve for x
    x = 169,409,913,859.10/346,726.90
  6. Step 6: Final answer
    x = 488,597.55

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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.