Home / 785,643.48-1,178,533.12-217,024.40

Finding the Fourth Proportional to 785,643.48, 1,178,533.12 and 217,024.40

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Solution

The fourth proportional to 785,643.48, 1,178,533.12 and 217,024.40 is: 325,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,643.48 : 1,178,533.12 = 217,024.40 : x
  2. Step 2: Convert to fraction form
    785,643.48/1,178,533.12 = 217,024.40/x
  3. Step 3: Cross multiply
    785,643.48x = 1,178,533.12 × 217,024.40
  4. Step 4: Simplify right side
    785,643.48x = 255,770,443,248.13
  5. Step 5: Solve for x
    x = 255,770,443,248.13/785,643.48
  6. Step 6: Final answer
    x = 325,555.36

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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.