Home / 566,784.08-782,126.59-312,135.27

Finding the Fourth Proportional to 566,784.08, 782,126.59 and 312,135.27

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Solution

The fourth proportional to 566,784.08, 782,126.59 and 312,135.27 is: 430,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,784.08 : 782,126.59 = 312,135.27 : x
  2. Step 2: Convert to fraction form
    566,784.08/782,126.59 = 312,135.27/x
  3. Step 3: Cross multiply
    566,784.08x = 782,126.59 × 312,135.27
  4. Step 4: Simplify right side
    566,784.08x = 244,129,292,783.15
  5. Step 5: Solve for x
    x = 244,129,292,783.15/566,784.08
  6. Step 6: Final answer
    x = 430,727.15

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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.