Home / 948,080.76-1,308,356.93-518,360.89

Finding the Fourth Proportional to 948,080.76, 1,308,356.93 and 518,360.89

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Solution

The fourth proportional to 948,080.76, 1,308,356.93 and 518,360.89 is: 715,341.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,080.76 : 1,308,356.93 = 518,360.89 : x
  2. Step 2: Convert to fraction form
    948,080.76/1,308,356.93 = 518,360.89/x
  3. Step 3: Cross multiply
    948,080.76x = 1,308,356.93 × 518,360.89
  4. Step 4: Simplify right side
    948,080.76x = 678,201,060,080.66
  5. Step 5: Solve for x
    x = 678,201,060,080.66/948,080.76
  6. Step 6: Final answer
    x = 715,341.02

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Double scale
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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.