Home / 830,785.04-1,246,177.56-262,210.40

Finding the Fourth Proportional to 830,785.04, 1,246,177.56 and 262,210.40

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Solution

The fourth proportional to 830,785.04, 1,246,177.56 and 262,210.40 is: 393,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,785.04 : 1,246,177.56 = 262,210.40 : x
  2. Step 2: Convert to fraction form
    830,785.04/1,246,177.56 = 262,210.40/x
  3. Step 3: Cross multiply
    830,785.04x = 1,246,177.56 × 262,210.40
  4. Step 4: Simplify right side
    830,785.04x = 326,760,716,478.62
  5. Step 5: Solve for x
    x = 326,760,716,478.62/830,785.04
  6. Step 6: Final answer
    x = 393,315.60

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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.