Home / 788,577.40-1,182,866.10-455,764.60

Finding the Fourth Proportional to 788,577.40, 1,182,866.10 and 455,764.60

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Solution

The fourth proportional to 788,577.40, 1,182,866.10 and 455,764.60 is: 683,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,577.40 : 1,182,866.10 = 455,764.60 : x
  2. Step 2: Convert to fraction form
    788,577.40/1,182,866.10 = 455,764.60/x
  3. Step 3: Cross multiply
    788,577.40x = 1,182,866.10 × 455,764.60
  4. Step 4: Simplify right side
    788,577.40x = 539,108,494,920.06
  5. Step 5: Solve for x
    x = 539,108,494,920.06/788,577.40
  6. Step 6: Final answer
    x = 683,646.90

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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.