Home / 914,912.34-1,262,582-507,020.91

Finding the Fourth Proportional to 914,912.34, 1,262,582 and 507,020.91

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Solution

The fourth proportional to 914,912.34, 1,262,582 and 507,020.91 is: 699,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,912.34 : 1,262,582 = 507,020.91 : x
  2. Step 2: Convert to fraction form
    914,912.34/1,262,582 = 507,020.91/x
  3. Step 3: Cross multiply
    914,912.34x = 1,262,582 × 507,020.91
  4. Step 4: Simplify right side
    914,912.34x = 640,155,474,589.62
  5. Step 5: Solve for x
    x = 640,155,474,589.62/914,912.34
  6. Step 6: Final answer
    x = 699,690.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.