Home / 928,165.82-1,392,696.66-507,430.76

Finding the Fourth Proportional to 928,165.82, 1,392,696.66 and 507,430.76

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Solution

The fourth proportional to 928,165.82, 1,392,696.66 and 507,430.76 is: 761,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,165.82 : 1,392,696.66 = 507,430.76 : x
  2. Step 2: Convert to fraction form
    928,165.82/1,392,696.66 = 507,430.76/x
  3. Step 3: Cross multiply
    928,165.82x = 1,392,696.66 × 507,430.76
  4. Step 4: Simplify right side
    928,165.82x = 706,697,124,633.26
  5. Step 5: Solve for x
    x = 706,697,124,633.26/928,165.82
  6. Step 6: Final answer
    x = 761,391.02

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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.