Home / 540,666.03-811,448.33-288,222.51

Finding the Fourth Proportional to 540,666.03, 811,448.33 and 288,222.51

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Solution

The fourth proportional to 540,666.03, 811,448.33 and 288,222.51 is: 432,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,666.03 : 811,448.33 = 288,222.51 : x
  2. Step 2: Convert to fraction form
    540,666.03/811,448.33 = 288,222.51/x
  3. Step 3: Cross multiply
    540,666.03x = 811,448.33 × 288,222.51
  4. Step 4: Simplify right side
    540,666.03x = 233,877,672,966.80
  5. Step 5: Solve for x
    x = 233,877,672,966.80/540,666.03
  6. Step 6: Final answer
    x = 432,573.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.