Home / 930,290.42-1,395,303.79-299,123.70

Finding the Fourth Proportional to 930,290.42, 1,395,303.79 and 299,123.70

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Solution

The fourth proportional to 930,290.42, 1,395,303.79 and 299,123.70 is: 448,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,290.42 : 1,395,303.79 = 299,123.70 : x
  2. Step 2: Convert to fraction form
    930,290.42/1,395,303.79 = 299,123.70/x
  3. Step 3: Cross multiply
    930,290.42x = 1,395,303.79 × 299,123.70
  4. Step 4: Simplify right side
    930,290.42x = 417,368,432,288.82
  5. Step 5: Solve for x
    x = 417,368,432,288.82/930,290.42
  6. Step 6: Final answer
    x = 448,643.16

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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.