Home / 684,276.66-1,026,589.95-284,784.66

Finding the Fourth Proportional to 684,276.66, 1,026,589.95 and 284,784.66

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Solution

The fourth proportional to 684,276.66, 1,026,589.95 and 284,784.66 is: 427,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,276.66 : 1,026,589.95 = 284,784.66 : x
  2. Step 2: Convert to fraction form
    684,276.66/1,026,589.95 = 284,784.66/x
  3. Step 3: Cross multiply
    684,276.66x = 1,026,589.95 × 284,784.66
  4. Step 4: Simplify right side
    684,276.66x = 292,357,069,870.17
  5. Step 5: Solve for x
    x = 292,357,069,870.17/684,276.66
  6. Step 6: Final answer
    x = 427,249.81

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Double scale
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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.