Home / 806,927.20-1,210,390.80-554,984.80

Finding the Fourth Proportional to 806,927.20, 1,210,390.80 and 554,984.80

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Solution

The fourth proportional to 806,927.20, 1,210,390.80 and 554,984.80 is: 832,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,927.20 : 1,210,390.80 = 554,984.80 : x
  2. Step 2: Convert to fraction form
    806,927.20/1,210,390.80 = 554,984.80/x
  3. Step 3: Cross multiply
    806,927.20x = 1,210,390.80 × 554,984.80
  4. Step 4: Simplify right side
    806,927.20x = 671,748,496,059.84
  5. Step 5: Solve for x
    x = 671,748,496,059.84/806,927.20
  6. Step 6: Final answer
    x = 832,477.20

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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.