Home / 778,832.46-1,074,838.95-439,293.42

Finding the Fourth Proportional to 778,832.46, 1,074,838.95 and 439,293.42

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Solution

The fourth proportional to 778,832.46, 1,074,838.95 and 439,293.42 is: 606,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,832.46 : 1,074,838.95 = 439,293.42 : x
  2. Step 2: Convert to fraction form
    778,832.46/1,074,838.95 = 439,293.42/x
  3. Step 3: Cross multiply
    778,832.46x = 1,074,838.95 × 439,293.42
  4. Step 4: Simplify right side
    778,832.46x = 472,169,678,294.71
  5. Step 5: Solve for x
    x = 472,169,678,294.71/778,832.46
  6. Step 6: Final answer
    x = 606,253.21

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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.