Home / 832,641.42-1,249,007.54-263,981.39

Finding the Fourth Proportional to 832,641.42, 1,249,007.54 and 263,981.39

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Solution

The fourth proportional to 832,641.42, 1,249,007.54 and 263,981.39 is: 395,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,641.42 : 1,249,007.54 = 263,981.39 : x
  2. Step 2: Convert to fraction form
    832,641.42/1,249,007.54 = 263,981.39/x
  3. Step 3: Cross multiply
    832,641.42x = 1,249,007.54 × 263,981.39
  4. Step 4: Simplify right side
    832,641.42x = 329,714,740,449.63
  5. Step 5: Solve for x
    x = 329,714,740,449.63/832,641.42
  6. Step 6: Final answer
    x = 395,986.47

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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.