Home / 989,607.08-1,483,263.12-456,007.16

Finding the Fourth Proportional to 989,607.08, 1,483,263.12 and 456,007.16

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Solution

The fourth proportional to 989,607.08, 1,483,263.12 and 456,007.16 is: 683,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,607.08 : 1,483,263.12 = 456,007.16 : x
  2. Step 2: Convert to fraction form
    989,607.08/1,483,263.12 = 456,007.16/x
  3. Step 3: Cross multiply
    989,607.08x = 1,483,263.12 × 456,007.16
  4. Step 4: Simplify right side
    989,607.08x = 676,378,602,883.94
  5. Step 5: Solve for x
    x = 676,378,602,883.94/989,607.08
  6. Step 6: Final answer
    x = 683,481.98

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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.