Home / 761,368.74-1,142,197.28-305,995.32

Finding the Fourth Proportional to 761,368.74, 1,142,197.28 and 305,995.32

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Solution

The fourth proportional to 761,368.74, 1,142,197.28 and 305,995.32 is: 459,050.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,368.74 : 1,142,197.28 = 305,995.32 : x
  2. Step 2: Convert to fraction form
    761,368.74/1,142,197.28 = 305,995.32/x
  3. Step 3: Cross multiply
    761,368.74x = 1,142,197.28 × 305,995.32
  4. Step 4: Simplify right side
    761,368.74x = 349,507,017,250.73
  5. Step 5: Solve for x
    x = 349,507,017,250.73/761,368.74
  6. Step 6: Final answer
    x = 459,050.92

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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.