Home / 760,511.40-1,140,767.10-461,329.80

Finding the Fourth Proportional to 760,511.40, 1,140,767.10 and 461,329.80

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Solution

The fourth proportional to 760,511.40, 1,140,767.10 and 461,329.80 is: 691,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,511.40 : 1,140,767.10 = 461,329.80 : x
  2. Step 2: Convert to fraction form
    760,511.40/1,140,767.10 = 461,329.80/x
  3. Step 3: Cross multiply
    760,511.40x = 1,140,767.10 × 461,329.80
  4. Step 4: Simplify right side
    760,511.40x = 526,269,858,089.58
  5. Step 5: Solve for x
    x = 526,269,858,089.58/760,511.40
  6. Step 6: Final answer
    x = 691,994.70

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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.