Home / 875,925.60-1,311,814.80-540,002.40

Finding the Fourth Proportional to 875,925.60, 1,311,814.80 and 540,002.40

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Solution

The fourth proportional to 875,925.60, 1,311,814.80 and 540,002.40 is: 808,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,925.60 : 1,311,814.80 = 540,002.40 : x
  2. Step 2: Convert to fraction form
    875,925.60/1,311,814.80 = 540,002.40/x
  3. Step 3: Cross multiply
    875,925.60x = 1,311,814.80 × 540,002.40
  4. Step 4: Simplify right side
    875,925.60x = 708,383,140,355.52
  5. Step 5: Solve for x
    x = 708,383,140,355.52/875,925.60
  6. Step 6: Final answer
    x = 808,725.24

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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.