Home / 788,675.60-1,183,013.40-664,259.60

Finding the Fourth Proportional to 788,675.60, 1,183,013.40 and 664,259.60

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Solution

The fourth proportional to 788,675.60, 1,183,013.40 and 664,259.60 is: 996,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,675.60 : 1,183,013.40 = 664,259.60 : x
  2. Step 2: Convert to fraction form
    788,675.60/1,183,013.40 = 664,259.60/x
  3. Step 3: Cross multiply
    788,675.60x = 1,183,013.40 × 664,259.60
  4. Step 4: Simplify right side
    788,675.60x = 785,828,007,878.64
  5. Step 5: Solve for x
    x = 785,828,007,878.64/788,675.60
  6. Step 6: Final answer
    x = 996,389.40

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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.