Home / 921,966.90-1,382,950.35-603,102.30

Finding the Fourth Proportional to 921,966.90, 1,382,950.35 and 603,102.30

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Solution

The fourth proportional to 921,966.90, 1,382,950.35 and 603,102.30 is: 904,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,966.90 : 1,382,950.35 = 603,102.30 : x
  2. Step 2: Convert to fraction form
    921,966.90/1,382,950.35 = 603,102.30/x
  3. Step 3: Cross multiply
    921,966.90x = 1,382,950.35 × 603,102.30
  4. Step 4: Simplify right side
    921,966.90x = 834,060,536,870.81
  5. Step 5: Solve for x
    x = 834,060,536,870.81/921,966.90
  6. Step 6: Final answer
    x = 904,653.45

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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.