Home / 891,047.16-1,229,643.77-483,148.26

Finding the Fourth Proportional to 891,047.16, 1,229,643.77 and 483,148.26

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Solution

The fourth proportional to 891,047.16, 1,229,643.77 and 483,148.26 is: 666,743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,047.16 : 1,229,643.77 = 483,148.26 : x
  2. Step 2: Convert to fraction form
    891,047.16/1,229,643.77 = 483,148.26/x
  3. Step 3: Cross multiply
    891,047.16x = 1,229,643.77 × 483,148.26
  4. Step 4: Simplify right side
    891,047.16x = 594,100,245,479.60
  5. Step 5: Solve for x
    x = 594,100,245,479.60/891,047.16
  6. Step 6: Final answer
    x = 666,743.89

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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.