Home / 873,329.95-1,309,994.93-242,243.76

Finding the Fourth Proportional to 873,329.95, 1,309,994.93 and 242,243.76

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Solution

The fourth proportional to 873,329.95, 1,309,994.93 and 242,243.76 is: 363,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,329.95 : 1,309,994.93 = 242,243.76 : x
  2. Step 2: Convert to fraction form
    873,329.95/1,309,994.93 = 242,243.76/x
  3. Step 3: Cross multiply
    873,329.95x = 1,309,994.93 × 242,243.76
  4. Step 4: Simplify right side
    873,329.95x = 317,338,097,424.14
  5. Step 5: Solve for x
    x = 317,338,097,424.14/873,329.95
  6. Step 6: Final answer
    x = 363,365.64

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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.