Home / 875,244.40-1,312,909.80-455,340.40

Finding the Fourth Proportional to 875,244.40, 1,312,909.80 and 455,340.40

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Solution

The fourth proportional to 875,244.40, 1,312,909.80 and 455,340.40 is: 683,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,244.40 : 1,312,909.80 = 455,340.40 : x
  2. Step 2: Convert to fraction form
    875,244.40/1,312,909.80 = 455,340.40/x
  3. Step 3: Cross multiply
    875,244.40x = 1,312,909.80 × 455,340.40
  4. Step 4: Simplify right side
    875,244.40x = 597,820,873,495.92
  5. Step 5: Solve for x
    x = 597,820,873,495.92/875,244.40
  6. Step 6: Final answer
    x = 683,033.07

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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.