Home / 875,226.20-1,312,839.30-497,312.60

Finding the Fourth Proportional to 875,226.20, 1,312,839.30 and 497,312.60

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Solution

The fourth proportional to 875,226.20, 1,312,839.30 and 497,312.60 is: 745,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,226.20 : 1,312,839.30 = 497,312.60 : x
  2. Step 2: Convert to fraction form
    875,226.20/1,312,839.30 = 497,312.60/x
  3. Step 3: Cross multiply
    875,226.20x = 1,312,839.30 × 497,312.60
  4. Step 4: Simplify right side
    875,226.20x = 652,891,525,665.18
  5. Step 5: Solve for x
    x = 652,891,525,665.18/875,226.20
  6. Step 6: Final answer
    x = 745,968.90

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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.