Home / 906,415.47-1,250,826.98-498,515.67

Finding the Fourth Proportional to 906,415.47, 1,250,826.98 and 498,515.67

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Solution

The fourth proportional to 906,415.47, 1,250,826.98 and 498,515.67 is: 687,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,415.47 : 1,250,826.98 = 498,515.67 : x
  2. Step 2: Convert to fraction form
    906,415.47/1,250,826.98 = 498,515.67/x
  3. Step 3: Cross multiply
    906,415.47x = 1,250,826.98 × 498,515.67
  4. Step 4: Simplify right side
    906,415.47x = 623,556,847,496.20
  5. Step 5: Solve for x
    x = 623,556,847,496.20/906,415.47
  6. Step 6: Final answer
    x = 687,937.12

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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.