Home / 948,314.48-1,308,673.92-518,594.88

Finding the Fourth Proportional to 948,314.48, 1,308,673.92 and 518,594.88

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Solution

The fourth proportional to 948,314.48, 1,308,673.92 and 518,594.88 is: 715,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,314.48 : 1,308,673.92 = 518,594.88 : x
  2. Step 2: Convert to fraction form
    948,314.48/1,308,673.92 = 518,594.88/x
  3. Step 3: Cross multiply
    948,314.48x = 1,308,673.92 × 518,594.88
  4. Step 4: Simplify right side
    948,314.48x = 678,671,594,501.53
  5. Step 5: Solve for x
    x = 678,671,594,501.53/948,314.48
  6. Step 6: Final answer
    x = 715,660.90

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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.