Home / 708,126.84-977,215.18-385,836.93

Finding the Fourth Proportional to 708,126.84, 977,215.18 and 385,836.93

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Solution

The fourth proportional to 708,126.84, 977,215.18 and 385,836.93 is: 532,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,126.84 : 977,215.18 = 385,836.93 : x
  2. Step 2: Convert to fraction form
    708,126.84/977,215.18 = 385,836.93/x
  3. Step 3: Cross multiply
    708,126.84x = 977,215.18 × 385,836.93
  4. Step 4: Simplify right side
    708,126.84x = 377,045,705,880.12
  5. Step 5: Solve for x
    x = 377,045,705,880.12/708,126.84
  6. Step 6: Final answer
    x = 532,455.04

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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.