Home / 714,666.08-1,071,835.42-426,559

Finding the Fourth Proportional to 714,666.08, 1,071,835.42 and 426,559

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Solution

The fourth proportional to 714,666.08, 1,071,835.42 and 426,559 is: 639,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,666.08 : 1,071,835.42 = 426,559 : x
  2. Step 2: Convert to fraction form
    714,666.08/1,071,835.42 = 426,559/x
  3. Step 3: Cross multiply
    714,666.08x = 1,071,835.42 × 426,559
  4. Step 4: Simplify right side
    714,666.08x = 457,201,044,919.78
  5. Step 5: Solve for x
    x = 457,201,044,919.78/714,666.08
  6. Step 6: Final answer
    x = 639,740.79

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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.