Home / 708,456.68-977,688.84-436,704.16

Finding the Fourth Proportional to 708,456.68, 977,688.84 and 436,704.16

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Solution

The fourth proportional to 708,456.68, 977,688.84 and 436,704.16 is: 602,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,456.68 : 977,688.84 = 436,704.16 : x
  2. Step 2: Convert to fraction form
    708,456.68/977,688.84 = 436,704.16/x
  3. Step 3: Cross multiply
    708,456.68x = 977,688.84 × 436,704.16
  4. Step 4: Simplify right side
    708,456.68x = 426,960,783,613.57
  5. Step 5: Solve for x
    x = 426,960,783,613.57/708,456.68
  6. Step 6: Final answer
    x = 602,663.22

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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.