Home / 948,032.96-1,308,285.63-518,313.20

Finding the Fourth Proportional to 948,032.96, 1,308,285.63 and 518,313.20

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Solution

The fourth proportional to 948,032.96, 1,308,285.63 and 518,313.20 is: 715,272.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,032.96 : 1,308,285.63 = 518,313.20 : x
  2. Step 2: Convert to fraction form
    948,032.96/1,308,285.63 = 518,313.20/x
  3. Step 3: Cross multiply
    948,032.96x = 1,308,285.63 × 518,313.20
  4. Step 4: Simplify right side
    948,032.96x = 678,101,704,857.89
  5. Step 5: Solve for x
    x = 678,101,704,857.89/948,032.96
  6. Step 6: Final answer
    x = 715,272.29

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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.