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Finding the Fourth Proportional to 637,031.70, 879,081.39 and 350,544.42

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Solution

The fourth proportional to 637,031.70, 879,081.39 and 350,544.42 is: 483,739.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,031.70 : 879,081.39 = 350,544.42 : x
  2. Step 2: Convert to fraction form
    637,031.70/879,081.39 = 350,544.42/x
  3. Step 3: Cross multiply
    637,031.70x = 879,081.39 × 350,544.42
  4. Step 4: Simplify right side
    637,031.70x = 308,157,075,990.34
  5. Step 5: Solve for x
    x = 308,157,075,990.34/637,031.70
  6. Step 6: Final answer
    x = 483,739.00

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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.