Home / 657,729.99-907,051.40-436,576.16

Finding the Fourth Proportional to 657,729.99, 907,051.40 and 436,576.16

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Solution

The fourth proportional to 657,729.99, 907,051.40 and 436,576.16 is: 602,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,729.99 : 907,051.40 = 436,576.16 : x
  2. Step 2: Convert to fraction form
    657,729.99/907,051.40 = 436,576.16/x
  3. Step 3: Cross multiply
    657,729.99x = 907,051.40 × 436,576.16
  4. Step 4: Simplify right side
    657,729.99x = 395,997,018,856.53
  5. Step 5: Solve for x
    x = 395,997,018,856.53/657,729.99
  6. Step 6: Final answer
    x = 602,066.24

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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.