Home / 514,724.20-771,827.10-304,426.60

Finding the Fourth Proportional to 514,724.20, 771,827.10 and 304,426.60

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Solution

The fourth proportional to 514,724.20, 771,827.10 and 304,426.60 is: 456,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,724.20 : 771,827.10 = 304,426.60 : x
  2. Step 2: Convert to fraction form
    514,724.20/771,827.10 = 304,426.60/x
  3. Step 3: Cross multiply
    514,724.20x = 771,827.10 × 304,426.60
  4. Step 4: Simplify right side
    514,724.20x = 234,964,699,840.86
  5. Step 5: Solve for x
    x = 234,964,699,840.86/514,724.20
  6. Step 6: Final answer
    x = 456,486.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.