Home / 900,880.03-1,243,214.53-492,981.95

Finding the Fourth Proportional to 900,880.03, 1,243,214.53 and 492,981.95

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Solution

The fourth proportional to 900,880.03, 1,243,214.53 and 492,981.95 is: 680,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,880.03 : 1,243,214.53 = 492,981.95 : x
  2. Step 2: Convert to fraction form
    900,880.03/1,243,214.53 = 492,981.95/x
  3. Step 3: Cross multiply
    900,880.03x = 1,243,214.53 × 492,981.95
  4. Step 4: Simplify right side
    900,880.03x = 612,882,323,267.73
  5. Step 5: Solve for x
    x = 612,882,323,267.73/900,880.03
  6. Step 6: Final answer
    x = 680,315.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.