Home / 1,478,482.28-2,217,384.30-413,599.40

Finding the Fourth Proportional to 1,478,482.28, 2,217,384.30 and 413,599.40

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Solution

The fourth proportional to 1,478,482.28, 2,217,384.30 and 413,599.40 is: 620,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,482.28 : 2,217,384.30 = 413,599.40 : x
  2. Step 2: Convert to fraction form
    1,478,482.28/2,217,384.30 = 413,599.40/x
  3. Step 3: Cross multiply
    1,478,482.28x = 2,217,384.30 × 413,599.40
  4. Step 4: Simplify right side
    1,478,482.28x = 917,108,816,049.42
  5. Step 5: Solve for x
    x = 917,108,816,049.42/1,478,482.28
  6. Step 6: Final answer
    x = 620,304.23

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1.5x scale

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.