Home / 712,579.62-1,068,967.85-239,400.30

Finding the Fourth Proportional to 712,579.62, 1,068,967.85 and 239,400.30

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Solution

The fourth proportional to 712,579.62, 1,068,967.85 and 239,400.30 is: 359,133.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,579.62 : 1,068,967.85 = 239,400.30 : x
  2. Step 2: Convert to fraction form
    712,579.62/1,068,967.85 = 239,400.30/x
  3. Step 3: Cross multiply
    712,579.62x = 1,068,967.85 × 239,400.30
  4. Step 4: Simplify right side
    712,579.62x = 255,911,223,980.36
  5. Step 5: Solve for x
    x = 255,911,223,980.36/712,579.62
  6. Step 6: Final answer
    x = 359,133.52

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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.