Home / 930,289.92-1,395,303.04-299,123.20

Finding the Fourth Proportional to 930,289.92, 1,395,303.04 and 299,123.20

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Solution

The fourth proportional to 930,289.92, 1,395,303.04 and 299,123.20 is: 448,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,289.92 : 1,395,303.04 = 299,123.20 : x
  2. Step 2: Convert to fraction form
    930,289.92/1,395,303.04 = 299,123.20/x
  3. Step 3: Cross multiply
    930,289.92x = 1,395,303.04 × 299,123.20
  4. Step 4: Simplify right side
    930,289.92x = 417,367,510,294.53
  5. Step 5: Solve for x
    x = 417,367,510,294.53/930,289.92
  6. Step 6: Final answer
    x = 448,642.41

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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.