Home / 788,673.10-1,183,009.65-664,257.10

Finding the Fourth Proportional to 788,673.10, 1,183,009.65 and 664,257.10

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Solution

The fourth proportional to 788,673.10, 1,183,009.65 and 664,257.10 is: 996,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,673.10 : 1,183,009.65 = 664,257.10 : x
  2. Step 2: Convert to fraction form
    788,673.10/1,183,009.65 = 664,257.10/x
  3. Step 3: Cross multiply
    788,673.10x = 1,183,009.65 × 664,257.10
  4. Step 4: Simplify right side
    788,673.10x = 785,822,559,381.02
  5. Step 5: Solve for x
    x = 785,822,559,381.02/788,673.10
  6. Step 6: Final answer
    x = 996,385.65

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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.