Home / 439,946.04-607,085.10-248,928.60

Finding the Fourth Proportional to 439,946.04, 607,085.10 and 248,928.60

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Solution

The fourth proportional to 439,946.04, 607,085.10 and 248,928.60 is: 343,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,946.04 : 607,085.10 = 248,928.60 : x
  2. Step 2: Convert to fraction form
    439,946.04/607,085.10 = 248,928.60/x
  3. Step 3: Cross multiply
    439,946.04x = 607,085.10 × 248,928.60
  4. Step 4: Simplify right side
    439,946.04x = 151,120,844,023.86
  5. Step 5: Solve for x
    x = 151,120,844,023.86/439,946.04
  6. Step 6: Final answer
    x = 343,498.59

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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.