Home / 713,000.27-1,068,780.75-446,947.62

Finding the Fourth Proportional to 713,000.27, 1,068,780.75 and 446,947.62

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Solution

The fourth proportional to 713,000.27, 1,068,780.75 and 446,947.62 is: 669,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,000.27 : 1,068,780.75 = 446,947.62 : x
  2. Step 2: Convert to fraction form
    713,000.27/1,068,780.75 = 446,947.62/x
  3. Step 3: Cross multiply
    713,000.27x = 1,068,780.75 × 446,947.62
  4. Step 4: Simplify right side
    713,000.27x = 477,689,012,514.32
  5. Step 5: Solve for x
    x = 477,689,012,514.32/713,000.27
  6. Step 6: Final answer
    x = 669,970.31

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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.