Home / 999,830.49-1,499,970.83-316,758.53

Finding the Fourth Proportional to 999,830.49, 1,499,970.83 and 316,758.53

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Solution

The fourth proportional to 999,830.49, 1,499,970.83 and 316,758.53 is: 475,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,830.49 : 1,499,970.83 = 316,758.53 : x
  2. Step 2: Convert to fraction form
    999,830.49/1,499,970.83 = 316,758.53/x
  3. Step 3: Cross multiply
    999,830.49x = 1,499,970.83 × 316,758.53
  4. Step 4: Simplify right side
    999,830.49x = 475,128,559,695.50
  5. Step 5: Solve for x
    x = 475,128,559,695.50/999,830.49
  6. Step 6: Final answer
    x = 475,209.11

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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.