Home / 948,007.32-1,308,281.40-518,299.08

Finding the Fourth Proportional to 948,007.32, 1,308,281.40 and 518,299.08

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Solution

The fourth proportional to 948,007.32, 1,308,281.40 and 518,299.08 is: 715,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,007.32 : 1,308,281.40 = 518,299.08 : x
  2. Step 2: Convert to fraction form
    948,007.32/1,308,281.40 = 518,299.08/x
  3. Step 3: Cross multiply
    948,007.32x = 1,308,281.40 × 518,299.08
  4. Step 4: Simplify right side
    948,007.32x = 678,081,046,001.11
  5. Step 5: Solve for x
    x = 678,081,046,001.11/948,007.32
  6. Step 6: Final answer
    x = 715,269.84

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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.