Home / 727,582.92-1,003,931.19-405,285

Finding the Fourth Proportional to 727,582.92, 1,003,931.19 and 405,285

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Solution

The fourth proportional to 727,582.92, 1,003,931.19 and 405,285 is: 559,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,582.92 : 1,003,931.19 = 405,285 : x
  2. Step 2: Convert to fraction form
    727,582.92/1,003,931.19 = 405,285/x
  3. Step 3: Cross multiply
    727,582.92x = 1,003,931.19 × 405,285
  4. Step 4: Simplify right side
    727,582.92x = 406,878,252,339.15
  5. Step 5: Solve for x
    x = 406,878,252,339.15/727,582.92
  6. Step 6: Final answer
    x = 559,219.08

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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.