Home / 746,707.42-1,030,454.34-407,175.68

Finding the Fourth Proportional to 746,707.42, 1,030,454.34 and 407,175.68

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Solution

The fourth proportional to 746,707.42, 1,030,454.34 and 407,175.68 is: 561,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,707.42 : 1,030,454.34 = 407,175.68 : x
  2. Step 2: Convert to fraction form
    746,707.42/1,030,454.34 = 407,175.68/x
  3. Step 3: Cross multiply
    746,707.42x = 1,030,454.34 × 407,175.68
  4. Step 4: Simplify right side
    746,707.42x = 419,575,946,598.45
  5. Step 5: Solve for x
    x = 419,575,946,598.45/746,707.42
  6. Step 6: Final answer
    x = 561,901.40

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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.