Home / 980,736.81-1,353,458.61-551,017.77

Finding the Fourth Proportional to 980,736.81, 1,353,458.61 and 551,017.77

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Solution

The fourth proportional to 980,736.81, 1,353,458.61 and 551,017.77 is: 760,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,736.81 : 1,353,458.61 = 551,017.77 : x
  2. Step 2: Convert to fraction form
    980,736.81/1,353,458.61 = 551,017.77/x
  3. Step 3: Cross multiply
    980,736.81x = 1,353,458.61 × 551,017.77
  4. Step 4: Simplify right side
    980,736.81x = 745,779,745,069.50
  5. Step 5: Solve for x
    x = 745,779,745,069.50/980,736.81
  6. Step 6: Final answer
    x = 760,428.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.