Home / 772,033.48-1,065,448.69-427,862.25

Finding the Fourth Proportional to 772,033.48, 1,065,448.69 and 427,862.25

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Solution

The fourth proportional to 772,033.48, 1,065,448.69 and 427,862.25 is: 590,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,033.48 : 1,065,448.69 = 427,862.25 : x
  2. Step 2: Convert to fraction form
    772,033.48/1,065,448.69 = 427,862.25/x
  3. Step 3: Cross multiply
    772,033.48x = 1,065,448.69 × 427,862.25
  4. Step 4: Simplify right side
    772,033.48x = 455,865,272,693.30
  5. Step 5: Solve for x
    x = 455,865,272,693.30/772,033.48
  6. Step 6: Final answer
    x = 590,473.45

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Double scale
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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.