Home / 692,886.20-1,039,329.30-456,495.80

Finding the Fourth Proportional to 692,886.20, 1,039,329.30 and 456,495.80

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Solution

The fourth proportional to 692,886.20, 1,039,329.30 and 456,495.80 is: 684,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,886.20 : 1,039,329.30 = 456,495.80 : x
  2. Step 2: Convert to fraction form
    692,886.20/1,039,329.30 = 456,495.80/x
  3. Step 3: Cross multiply
    692,886.20x = 1,039,329.30 × 456,495.80
  4. Step 4: Simplify right side
    692,886.20x = 474,449,460,266.94
  5. Step 5: Solve for x
    x = 474,449,460,266.94/692,886.20
  6. Step 6: Final answer
    x = 684,743.70

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Double scale
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Similar ratio
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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.