Home / 830,619.52-1,146,083.52-528,703.36

Finding the Fourth Proportional to 830,619.52, 1,146,083.52 and 528,703.36

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Solution

The fourth proportional to 830,619.52, 1,146,083.52 and 528,703.36 is: 729,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,619.52 : 1,146,083.52 = 528,703.36 : x
  2. Step 2: Convert to fraction form
    830,619.52/1,146,083.52 = 528,703.36/x
  3. Step 3: Cross multiply
    830,619.52x = 1,146,083.52 × 528,703.36
  4. Step 4: Simplify right side
    830,619.52x = 605,938,207,864.63
  5. Step 5: Solve for x
    x = 605,938,207,864.63/830,619.52
  6. Step 6: Final answer
    x = 729,501.53

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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.