Home / 771,796.80-1,159,007.40-572,342.40

Finding the Fourth Proportional to 771,796.80, 1,159,007.40 and 572,342.40

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Solution

The fourth proportional to 771,796.80, 1,159,007.40 and 572,342.40 is: 859,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,796.80 : 1,159,007.40 = 572,342.40 : x
  2. Step 2: Convert to fraction form
    771,796.80/1,159,007.40 = 572,342.40/x
  3. Step 3: Cross multiply
    771,796.80x = 1,159,007.40 × 572,342.40
  4. Step 4: Simplify right side
    771,796.80x = 663,349,076,933.76
  5. Step 5: Solve for x
    x = 663,349,076,933.76/771,796.80
  6. Step 6: Final answer
    x = 859,486.69

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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.