Home / 745,698.96-1,029,902.85-503,561.21

Finding the Fourth Proportional to 745,698.96, 1,029,902.85 and 503,561.21

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Solution

The fourth proportional to 745,698.96, 1,029,902.85 and 503,561.21 is: 695,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,698.96 : 1,029,902.85 = 503,561.21 : x
  2. Step 2: Convert to fraction form
    745,698.96/1,029,902.85 = 503,561.21/x
  3. Step 3: Cross multiply
    745,698.96x = 1,029,902.85 × 503,561.21
  4. Step 4: Simplify right side
    745,698.96x = 518,619,120,178.93
  5. Step 5: Solve for x
    x = 518,619,120,178.93/745,698.96
  6. Step 6: Final answer
    x = 695,480.55

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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.