Home / 999,475.02-1,499,212.56-289,503.30

Finding the Fourth Proportional to 999,475.02, 1,499,212.56 and 289,503.30

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Solution

The fourth proportional to 999,475.02, 1,499,212.56 and 289,503.30 is: 434,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,475.02 : 1,499,212.56 = 289,503.30 : x
  2. Step 2: Convert to fraction form
    999,475.02/1,499,212.56 = 289,503.30/x
  3. Step 3: Cross multiply
    999,475.02x = 1,499,212.56 × 289,503.30
  4. Step 4: Simplify right side
    999,475.02x = 434,026,983,521.45
  5. Step 5: Solve for x
    x = 434,026,983,521.45/999,475.02
  6. Step 6: Final answer
    x = 434,254.96

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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.