Home / 740,551.92-1,021,961.40-401,020.08

Finding the Fourth Proportional to 740,551.92, 1,021,961.40 and 401,020.08

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Solution

The fourth proportional to 740,551.92, 1,021,961.40 and 401,020.08 is: 553,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,551.92 : 1,021,961.40 = 401,020.08 : x
  2. Step 2: Convert to fraction form
    740,551.92/1,021,961.40 = 401,020.08/x
  3. Step 3: Cross multiply
    740,551.92x = 1,021,961.40 × 401,020.08
  4. Step 4: Simplify right side
    740,551.92x = 409,827,042,384.91
  5. Step 5: Solve for x
    x = 409,827,042,384.91/740,551.92
  6. Step 6: Final answer
    x = 553,407.58

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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.