Home / 788,518.70-1,182,777.93-189,479.87

Finding the Fourth Proportional to 788,518.70, 1,182,777.93 and 189,479.87

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Solution

The fourth proportional to 788,518.70, 1,182,777.93 and 189,479.87 is: 284,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,518.70 : 1,182,777.93 = 189,479.87 : x
  2. Step 2: Convert to fraction form
    788,518.70/1,182,777.93 = 189,479.87/x
  3. Step 3: Cross multiply
    788,518.70x = 1,182,777.93 × 189,479.87
  4. Step 4: Simplify right side
    788,518.70x = 224,112,602,501.38
  5. Step 5: Solve for x
    x = 224,112,602,501.38/788,518.70
  6. Step 6: Final answer
    x = 284,219.77

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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.