Home / 745,582.20-1,028,012.96-609,113.40

Finding the Fourth Proportional to 745,582.20, 1,028,012.96 and 609,113.40

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Solution

The fourth proportional to 745,582.20, 1,028,012.96 and 609,113.40 is: 839,849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,582.20 : 1,028,012.96 = 609,113.40 : x
  2. Step 2: Convert to fraction form
    745,582.20/1,028,012.96 = 609,113.40/x
  3. Step 3: Cross multiply
    745,582.20x = 1,028,012.96 × 609,113.40
  4. Step 4: Simplify right side
    745,582.20x = 626,176,469,309.66
  5. Step 5: Solve for x
    x = 626,176,469,309.66/745,582.20
  6. Step 6: Final answer
    x = 839,849.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.