Home / 887,497.12-1,224,746.64-485,089.12

Finding the Fourth Proportional to 887,497.12, 1,224,746.64 and 485,089.12

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Solution

The fourth proportional to 887,497.12, 1,224,746.64 and 485,089.12 is: 669,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,497.12 : 1,224,746.64 = 485,089.12 : x
  2. Step 2: Convert to fraction form
    887,497.12/1,224,746.64 = 485,089.12/x
  3. Step 3: Cross multiply
    887,497.12x = 1,224,746.64 × 485,089.12
  4. Step 4: Simplify right side
    887,497.12x = 594,111,269,820.56
  5. Step 5: Solve for x
    x = 594,111,269,820.56/887,497.12
  6. Step 6: Final answer
    x = 669,423.32

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