Home / 502,075.86-692,864.65-272,632.02

Finding the Fourth Proportional to 502,075.86, 692,864.65 and 272,632.02

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Solution

The fourth proportional to 502,075.86, 692,864.65 and 272,632.02 is: 376,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,075.86 : 692,864.65 = 272,632.02 : x
  2. Step 2: Convert to fraction form
    502,075.86/692,864.65 = 272,632.02/x
  3. Step 3: Cross multiply
    502,075.86x = 692,864.65 × 272,632.02
  4. Step 4: Simplify right side
    502,075.86x = 188,897,089,116.09
  5. Step 5: Solve for x
    x = 188,897,089,116.09/502,075.86
  6. Step 6: Final answer
    x = 376,232.17

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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.