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Finding the Fourth Proportional to 507,875.69, 700,853.27 and 278,425.13

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Solution

The fourth proportional to 507,875.69, 700,853.27 and 278,425.13 is: 384,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,875.69 : 700,853.27 = 278,425.13 : x
  2. Step 2: Convert to fraction form
    507,875.69/700,853.27 = 278,425.13/x
  3. Step 3: Cross multiply
    507,875.69x = 700,853.27 × 278,425.13
  4. Step 4: Simplify right side
    507,875.69x = 195,135,162,810.68
  5. Step 5: Solve for x
    x = 195,135,162,810.68/507,875.69
  6. Step 6: Final answer
    x = 384,218.36

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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.