Home / 761,106.80-1,140,110.04-360,533.36

Finding the Fourth Proportional to 761,106.80, 1,140,110.04 and 360,533.36

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Solution

The fourth proportional to 761,106.80, 1,140,110.04 and 360,533.36 is: 540,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,106.80 : 1,140,110.04 = 360,533.36 : x
  2. Step 2: Convert to fraction form
    761,106.80/1,140,110.04 = 360,533.36/x
  3. Step 3: Cross multiply
    761,106.80x = 1,140,110.04 × 360,533.36
  4. Step 4: Simplify right side
    761,106.80x = 411,047,703,490.93
  5. Step 5: Solve for x
    x = 411,047,703,490.93/761,106.80
  6. Step 6: Final answer
    x = 540,065.74

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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.