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Finding the Fourth Proportional to 637,300.79, 879,506.66 and 350,817.83

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Solution

The fourth proportional to 637,300.79, 879,506.66 and 350,817.83 is: 484,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,300.79 : 879,506.66 = 350,817.83 : x
  2. Step 2: Convert to fraction form
    637,300.79/879,506.66 = 350,817.83/x
  3. Step 3: Cross multiply
    637,300.79x = 879,506.66 × 350,817.83
  4. Step 4: Simplify right side
    637,300.79x = 308,546,617,931.75
  5. Step 5: Solve for x
    x = 308,546,617,931.75/637,300.79
  6. Step 6: Final answer
    x = 484,145.98

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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.