Home / 780,126.03-1,076,595.26-440,594.28

Finding the Fourth Proportional to 780,126.03, 1,076,595.26 and 440,594.28

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Solution

The fourth proportional to 780,126.03, 1,076,595.26 and 440,594.28 is: 608,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,126.03 : 1,076,595.26 = 440,594.28 : x
  2. Step 2: Convert to fraction form
    780,126.03/1,076,595.26 = 440,594.28/x
  3. Step 3: Cross multiply
    780,126.03x = 1,076,595.26 × 440,594.28
  4. Step 4: Simplify right side
    780,126.03x = 474,341,711,228.14
  5. Step 5: Solve for x
    x = 474,341,711,228.14/780,126.03
  6. Step 6: Final answer
    x = 608,032.16

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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.