Home / 529,795.05-731,106.83-288,075.51

Finding the Fourth Proportional to 529,795.05, 731,106.83 and 288,075.51

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Solution

The fourth proportional to 529,795.05, 731,106.83 and 288,075.51 is: 397,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,795.05 : 731,106.83 = 288,075.51 : x
  2. Step 2: Convert to fraction form
    529,795.05/731,106.83 = 288,075.51/x
  3. Step 3: Cross multiply
    529,795.05x = 731,106.83 × 288,075.51
  4. Step 4: Simplify right side
    529,795.05x = 210,613,971,476.36
  5. Step 5: Solve for x
    x = 210,613,971,476.36/529,795.05
  6. Step 6: Final answer
    x = 397,538.58

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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.