Home / 566,403.66-781,622.10-308,285.64

Finding the Fourth Proportional to 566,403.66, 781,622.10 and 308,285.64

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Solution

The fourth proportional to 566,403.66, 781,622.10 and 308,285.64 is: 425,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,403.66 : 781,622.10 = 308,285.64 : x
  2. Step 2: Convert to fraction form
    566,403.66/781,622.10 = 308,285.64/x
  3. Step 3: Cross multiply
    566,403.66x = 781,622.10 × 308,285.64
  4. Step 4: Simplify right side
    566,403.66x = 240,962,869,336.64
  5. Step 5: Solve for x
    x = 240,962,869,336.64/566,403.66
  6. Step 6: Final answer
    x = 425,426.05

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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.