Home / 889,838.69-1,228,085.28-502,670.42

Finding the Fourth Proportional to 889,838.69, 1,228,085.28 and 502,670.42

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Solution

The fourth proportional to 889,838.69, 1,228,085.28 and 502,670.42 is: 693,746.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,838.69 : 1,228,085.28 = 502,670.42 : x
  2. Step 2: Convert to fraction form
    889,838.69/1,228,085.28 = 502,670.42/x
  3. Step 3: Cross multiply
    889,838.69x = 1,228,085.28 × 502,670.42
  4. Step 4: Simplify right side
    889,838.69x = 617,322,143,493.42
  5. Step 5: Solve for x
    x = 617,322,143,493.42/889,838.69
  6. Step 6: Final answer
    x = 693,746.13

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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.