Home / 999,376.95-1,499,170.49-325,510.77

Finding the Fourth Proportional to 999,376.95, 1,499,170.49 and 325,510.77

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Solution

The fourth proportional to 999,376.95, 1,499,170.49 and 325,510.77 is: 488,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,376.95 : 1,499,170.49 = 325,510.77 : x
  2. Step 2: Convert to fraction form
    999,376.95/1,499,170.49 = 325,510.77/x
  3. Step 3: Cross multiply
    999,376.95x = 1,499,170.49 × 325,510.77
  4. Step 4: Simplify right side
    999,376.95x = 487,996,141,374.95
  5. Step 5: Solve for x
    x = 487,996,141,374.95/999,376.95
  6. Step 6: Final answer
    x = 488,300.38

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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.