Home / 551,465.85-760,977.38-306,457.83

Finding the Fourth Proportional to 551,465.85, 760,977.38 and 306,457.83

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Solution

The fourth proportional to 551,465.85, 760,977.38 and 306,457.83 is: 422,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,465.85 : 760,977.38 = 306,457.83 : x
  2. Step 2: Convert to fraction form
    551,465.85/760,977.38 = 306,457.83/x
  3. Step 3: Cross multiply
    551,465.85x = 760,977.38 × 306,457.83
  4. Step 4: Simplify right side
    551,465.85x = 233,207,475,021.60
  5. Step 5: Solve for x
    x = 233,207,475,021.60/551,465.85
  6. Step 6: Final answer
    x = 422,886.52

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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.