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Finding the Fourth Proportional to 708,271.62, 977,390.01 and 385,975.14

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Solution

The fourth proportional to 708,271.62, 977,390.01 and 385,975.14 is: 532,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,271.62 : 977,390.01 = 385,975.14 : x
  2. Step 2: Convert to fraction form
    708,271.62/977,390.01 = 385,975.14/x
  3. Step 3: Cross multiply
    708,271.62x = 977,390.01 × 385,975.14
  4. Step 4: Simplify right side
    708,271.62x = 377,248,245,944.35
  5. Step 5: Solve for x
    x = 377,248,245,944.35/708,271.62
  6. Step 6: Final answer
    x = 532,632.16

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1.5x scale

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.