Home / 740,294.06-1,021,606.14-400,762.31

Finding the Fourth Proportional to 740,294.06, 1,021,606.14 and 400,762.31

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Solution

The fourth proportional to 740,294.06, 1,021,606.14 and 400,762.31 is: 553,052.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,294.06 : 1,021,606.14 = 400,762.31 : x
  2. Step 2: Convert to fraction form
    740,294.06/1,021,606.14 = 400,762.31/x
  3. Step 3: Cross multiply
    740,294.06x = 1,021,606.14 × 400,762.31
  4. Step 4: Simplify right side
    740,294.06x = 409,421,231,468.55
  5. Step 5: Solve for x
    x = 409,421,231,468.55/740,294.06
  6. Step 6: Final answer
    x = 553,052.17

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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.