Home / 688,580.52-949,239.61-481,205.06

Finding the Fourth Proportional to 688,580.52, 949,239.61 and 481,205.06

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Solution

The fourth proportional to 688,580.52, 949,239.61 and 481,205.06 is: 663,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,580.52 : 949,239.61 = 481,205.06 : x
  2. Step 2: Convert to fraction form
    688,580.52/949,239.61 = 481,205.06/x
  3. Step 3: Cross multiply
    688,580.52x = 949,239.61 × 481,205.06
  4. Step 4: Simplify right side
    688,580.52x = 456,778,904,988.19
  5. Step 5: Solve for x
    x = 456,778,904,988.19/688,580.52
  6. Step 6: Final answer
    x = 663,363.10

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1.5x scale

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.