Home / 762,153.60-1,051,696.17-439,967.49

Finding the Fourth Proportional to 762,153.60, 1,051,696.17 and 439,967.49

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Solution

The fourth proportional to 762,153.60, 1,051,696.17 and 439,967.49 is: 607,111.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,153.60 : 1,051,696.17 = 439,967.49 : x
  2. Step 2: Convert to fraction form
    762,153.60/1,051,696.17 = 439,967.49/x
  3. Step 3: Cross multiply
    762,153.60x = 1,051,696.17 × 439,967.49
  4. Step 4: Simplify right side
    762,153.60x = 462,712,124,157.51
  5. Step 5: Solve for x
    x = 462,712,124,157.51/762,153.60
  6. Step 6: Final answer
    x = 607,111.38

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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.