Home / 838,289.58-1,257,330.42-239,303.22

Finding the Fourth Proportional to 838,289.58, 1,257,330.42 and 239,303.22

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Solution

The fourth proportional to 838,289.58, 1,257,330.42 and 239,303.22 is: 358,925.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,289.58 : 1,257,330.42 = 239,303.22 : x
  2. Step 2: Convert to fraction form
    838,289.58/1,257,330.42 = 239,303.22/x
  3. Step 3: Cross multiply
    838,289.58x = 1,257,330.42 × 239,303.22
  4. Step 4: Simplify right side
    838,289.58x = 300,883,218,109.95
  5. Step 5: Solve for x
    x = 300,883,218,109.95/838,289.58
  6. Step 6: Final answer
    x = 358,925.16

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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.