Home / 922,612.32-1,273,292.64-578,502.72

Finding the Fourth Proportional to 922,612.32, 1,273,292.64 and 578,502.72

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Solution

The fourth proportional to 922,612.32, 1,273,292.64 and 578,502.72 is: 798,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,612.32 : 1,273,292.64 = 578,502.72 : x
  2. Step 2: Convert to fraction form
    922,612.32/1,273,292.64 = 578,502.72/x
  3. Step 3: Cross multiply
    922,612.32x = 1,273,292.64 × 578,502.72
  4. Step 4: Simplify right side
    922,612.32x = 736,603,255,595.98
  5. Step 5: Solve for x
    x = 736,603,255,595.98/922,612.32
  6. Step 6: Final answer
    x = 798,388.71

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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.