Home / 948,008.82-1,308,283.47-518,300.58

Finding the Fourth Proportional to 948,008.82, 1,308,283.47 and 518,300.58

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Solution

The fourth proportional to 948,008.82, 1,308,283.47 and 518,300.58 is: 715,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,008.82 : 1,308,283.47 = 518,300.58 : x
  2. Step 2: Convert to fraction form
    948,008.82/1,308,283.47 = 518,300.58/x
  3. Step 3: Cross multiply
    948,008.82x = 1,308,283.47 × 518,300.58
  4. Step 4: Simplify right side
    948,008.82x = 678,084,081,305.41
  5. Step 5: Solve for x
    x = 678,084,081,305.41/948,008.82
  6. Step 6: Final answer
    x = 715,271.91

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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.