Home / 813,275.52-1,122,323.03-450,705.52

Finding the Fourth Proportional to 813,275.52, 1,122,323.03 and 450,705.52

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Solution

The fourth proportional to 813,275.52, 1,122,323.03 and 450,705.52 is: 621,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,275.52 : 1,122,323.03 = 450,705.52 : x
  2. Step 2: Convert to fraction form
    813,275.52/1,122,323.03 = 450,705.52/x
  3. Step 3: Cross multiply
    813,275.52x = 1,122,323.03 × 450,705.52
  4. Step 4: Simplify right side
    813,275.52x = 505,837,182,590.60
  5. Step 5: Solve for x
    x = 505,837,182,590.60/813,275.52
  6. Step 6: Final answer
    x = 621,975.18

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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.