Home / 830,696.50-1,146,465.46-486,663.68

Finding the Fourth Proportional to 830,696.50, 1,146,465.46 and 486,663.68

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Solution

The fourth proportional to 830,696.50, 1,146,465.46 and 486,663.68 is: 671,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,696.50 : 1,146,465.46 = 486,663.68 : x
  2. Step 2: Convert to fraction form
    830,696.50/1,146,465.46 = 486,663.68/x
  3. Step 3: Cross multiply
    830,696.50x = 1,146,465.46 × 486,663.68
  4. Step 4: Simplify right side
    830,696.50x = 557,943,101,406.00
  5. Step 5: Solve for x
    x = 557,943,101,406.00/830,696.50
  6. Step 6: Final answer
    x = 671,656.98

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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.