Home / 749,803.42-1,123,292.76-370,280.08

Finding the Fourth Proportional to 749,803.42, 1,123,292.76 and 370,280.08

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Solution

The fourth proportional to 749,803.42, 1,123,292.76 and 370,280.08 is: 554,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,803.42 : 1,123,292.76 = 370,280.08 : x
  2. Step 2: Convert to fraction form
    749,803.42/1,123,292.76 = 370,280.08/x
  3. Step 3: Cross multiply
    749,803.42x = 1,123,292.76 × 370,280.08
  4. Step 4: Simplify right side
    749,803.42x = 415,932,933,036.22
  5. Step 5: Solve for x
    x = 415,932,933,036.22/749,803.42
  6. Step 6: Final answer
    x = 554,722.64

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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.