Home / 746,709.42-1,030,457.10-407,177.68

Finding the Fourth Proportional to 746,709.42, 1,030,457.10 and 407,177.68

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Solution

The fourth proportional to 746,709.42, 1,030,457.10 and 407,177.68 is: 561,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,709.42 : 1,030,457.10 = 407,177.68 : x
  2. Step 2: Convert to fraction form
    746,709.42/1,030,457.10 = 407,177.68/x
  3. Step 3: Cross multiply
    746,709.42x = 1,030,457.10 × 407,177.68
  4. Step 4: Simplify right side
    746,709.42x = 419,579,131,317.53
  5. Step 5: Solve for x
    x = 419,579,131,317.53/746,709.42
  6. Step 6: Final answer
    x = 561,904.16

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Double scale
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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.