Home / 684,014.20-1,024,466.10-432,071.80

Finding the Fourth Proportional to 684,014.20, 1,024,466.10 and 432,071.80

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Solution

The fourth proportional to 684,014.20, 1,024,466.10 and 432,071.80 is: 647,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,014.20 : 1,024,466.10 = 432,071.80 : x
  2. Step 2: Convert to fraction form
    684,014.20/1,024,466.10 = 432,071.80/x
  3. Step 3: Cross multiply
    684,014.20x = 1,024,466.10 × 432,071.80
  4. Step 4: Simplify right side
    684,014.20x = 442,642,911,865.98
  5. Step 5: Solve for x
    x = 442,642,911,865.98/684,014.20
  6. Step 6: Final answer
    x = 647,125.33

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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.