Home / 572,096.63-858,145.05-445,831.40

Finding the Fourth Proportional to 572,096.63, 858,145.05 and 445,831.40

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Solution

The fourth proportional to 572,096.63, 858,145.05 and 445,831.40 is: 668,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,096.63 : 858,145.05 = 445,831.40 : x
  2. Step 2: Convert to fraction form
    572,096.63/858,145.05 = 445,831.40/x
  3. Step 3: Cross multiply
    572,096.63x = 858,145.05 × 445,831.40
  4. Step 4: Simplify right side
    572,096.63x = 382,588,009,044.57
  5. Step 5: Solve for x
    x = 382,588,009,044.57/572,096.63
  6. Step 6: Final answer
    x = 668,747.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.