Home / 649,746.18-896,289.75-377,784

Finding the Fourth Proportional to 649,746.18, 896,289.75 and 377,784

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Solution

The fourth proportional to 649,746.18, 896,289.75 and 377,784 is: 521,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,746.18 : 896,289.75 = 377,784 : x
  2. Step 2: Convert to fraction form
    649,746.18/896,289.75 = 377,784/x
  3. Step 3: Cross multiply
    649,746.18x = 896,289.75 × 377,784
  4. Step 4: Simplify right side
    649,746.18x = 338,603,926,914
  5. Step 5: Solve for x
    x = 338,603,926,914/649,746.18
  6. Step 6: Final answer
    x = 521,132.62

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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.