Home / 637,298.79-879,503.90-350,815.83

Finding the Fourth Proportional to 637,298.79, 879,503.90 and 350,815.83

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Solution

The fourth proportional to 637,298.79, 879,503.90 and 350,815.83 is: 484,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,298.79 : 879,503.90 = 350,815.83 : x
  2. Step 2: Convert to fraction form
    637,298.79/879,503.90 = 350,815.83/x
  3. Step 3: Cross multiply
    637,298.79x = 879,503.90 × 350,815.83
  4. Step 4: Simplify right side
    637,298.79x = 308,543,890,666.74
  5. Step 5: Solve for x
    x = 308,543,890,666.74/637,298.79
  6. Step 6: Final answer
    x = 484,143.22

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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.