Home / 712,946.40-1,068,555.60-412,850.40

Finding the Fourth Proportional to 712,946.40, 1,068,555.60 and 412,850.40

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Solution

The fourth proportional to 712,946.40, 1,068,555.60 and 412,850.40 is: 618,775.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,946.40 : 1,068,555.60 = 412,850.40 : x
  2. Step 2: Convert to fraction form
    712,946.40/1,068,555.60 = 412,850.40/x
  3. Step 3: Cross multiply
    712,946.40x = 1,068,555.60 × 412,850.40
  4. Step 4: Simplify right side
    712,946.40x = 441,153,606,882.24
  5. Step 5: Solve for x
    x = 441,153,606,882.24/712,946.40
  6. Step 6: Final answer
    x = 618,775.28

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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.