Home / 830,720.06-1,146,394.72-448,746.84

Finding the Fourth Proportional to 830,720.06, 1,146,394.72 and 448,746.84

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Solution

The fourth proportional to 830,720.06, 1,146,394.72 and 448,746.84 is: 619,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,720.06 : 1,146,394.72 = 448,746.84 : x
  2. Step 2: Convert to fraction form
    830,720.06/1,146,394.72 = 448,746.84/x
  3. Step 3: Cross multiply
    830,720.06x = 1,146,394.72 × 448,746.84
  4. Step 4: Simplify right side
    830,720.06x = 514,441,007,992.69
  5. Step 5: Solve for x
    x = 514,441,007,992.69/830,720.06
  6. Step 6: Final answer
    x = 619,271.20

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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.