Home / 645,979.20-967,219.20-506,011.20

Finding the Fourth Proportional to 645,979.20, 967,219.20 and 506,011.20

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Solution

The fourth proportional to 645,979.20, 967,219.20 and 506,011.20 is: 757,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,979.20 : 967,219.20 = 506,011.20 : x
  2. Step 2: Convert to fraction form
    645,979.20/967,219.20 = 506,011.20/x
  3. Step 3: Cross multiply
    645,979.20x = 967,219.20 × 506,011.20
  4. Step 4: Simplify right side
    645,979.20x = 489,423,748,055.04
  5. Step 5: Solve for x
    x = 489,423,748,055.04/645,979.20
  6. Step 6: Final answer
    x = 757,646.30

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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.