Home / 790,880.48-1,185,521.81-311,444.72

Finding the Fourth Proportional to 790,880.48, 1,185,521.81 and 311,444.72

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Solution

The fourth proportional to 790,880.48, 1,185,521.81 and 311,444.72 is: 466,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,880.48 : 1,185,521.81 = 311,444.72 : x
  2. Step 2: Convert to fraction form
    790,880.48/1,185,521.81 = 311,444.72/x
  3. Step 3: Cross multiply
    790,880.48x = 1,185,521.81 × 311,444.72
  4. Step 4: Simplify right side
    790,880.48x = 369,224,500,684.51
  5. Step 5: Solve for x
    x = 369,224,500,684.51/790,880.48
  6. Step 6: Final answer
    x = 466,852.47

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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.