Home / 688,941.18-1,033,210.89-268,117.02

Finding the Fourth Proportional to 688,941.18, 1,033,210.89 and 268,117.02

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Solution

The fourth proportional to 688,941.18, 1,033,210.89 and 268,117.02 is: 402,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,941.18 : 1,033,210.89 = 268,117.02 : x
  2. Step 2: Convert to fraction form
    688,941.18/1,033,210.89 = 268,117.02/x
  3. Step 3: Cross multiply
    688,941.18x = 1,033,210.89 × 268,117.02
  4. Step 4: Simplify right side
    688,941.18x = 277,021,424,858.35
  5. Step 5: Solve for x
    x = 277,021,424,858.35/688,941.18
  6. Step 6: Final answer
    x = 402,097.35

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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.