Home / 691,946.40-1,038,697.20-534,871.20

Finding the Fourth Proportional to 691,946.40, 1,038,697.20 and 534,871.20

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Solution

The fourth proportional to 691,946.40, 1,038,697.20 and 534,871.20 is: 802,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,946.40 : 1,038,697.20 = 534,871.20 : x
  2. Step 2: Convert to fraction form
    691,946.40/1,038,697.20 = 534,871.20/x
  3. Step 3: Cross multiply
    691,946.40x = 1,038,697.20 × 534,871.20
  4. Step 4: Simplify right side
    691,946.40x = 555,569,217,800.64
  5. Step 5: Solve for x
    x = 555,569,217,800.64/691,946.40
  6. Step 6: Final answer
    x = 802,907.88

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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.