Home / 674,737.04-931,137.28-372,931.04

Finding the Fourth Proportional to 674,737.04, 931,137.28 and 372,931.04

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Solution

The fourth proportional to 674,737.04, 931,137.28 and 372,931.04 is: 514,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,737.04 : 931,137.28 = 372,931.04 : x
  2. Step 2: Convert to fraction form
    674,737.04/931,137.28 = 372,931.04/x
  3. Step 3: Cross multiply
    674,737.04x = 931,137.28 × 372,931.04
  4. Step 4: Simplify right side
    674,737.04x = 347,249,994,213.17
  5. Step 5: Solve for x
    x = 347,249,994,213.17/674,737.04
  6. Step 6: Final answer
    x = 514,644.93

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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.