Home / 760,495.17-1,049,483.35-420,963.42

Finding the Fourth Proportional to 760,495.17, 1,049,483.35 and 420,963.42

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Solution

The fourth proportional to 760,495.17, 1,049,483.35 and 420,963.42 is: 580,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,495.17 : 1,049,483.35 = 420,963.42 : x
  2. Step 2: Convert to fraction form
    760,495.17/1,049,483.35 = 420,963.42/x
  3. Step 3: Cross multiply
    760,495.17x = 1,049,483.35 × 420,963.42
  4. Step 4: Simplify right side
    760,495.17x = 441,794,100,249.06
  5. Step 5: Solve for x
    x = 441,794,100,249.06/760,495.17
  6. Step 6: Final answer
    x = 580,929.53

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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.