Home / 740,941.66-1,022,499.53-401,409.91

Finding the Fourth Proportional to 740,941.66, 1,022,499.53 and 401,409.91

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Solution

The fourth proportional to 740,941.66, 1,022,499.53 and 401,409.91 is: 553,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,941.66 : 1,022,499.53 = 401,409.91 : x
  2. Step 2: Convert to fraction form
    740,941.66/1,022,499.53 = 401,409.91/x
  3. Step 3: Cross multiply
    740,941.66x = 1,022,499.53 × 401,409.91
  4. Step 4: Simplify right side
    740,941.66x = 410,441,444,312.34
  5. Step 5: Solve for x
    x = 410,441,444,312.34/740,941.66
  6. Step 6: Final answer
    x = 553,945.70

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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.