Home / 830,461.85-1,146,037.37-448,488.66

Finding the Fourth Proportional to 830,461.85, 1,146,037.37 and 448,488.66

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Solution

The fourth proportional to 830,461.85, 1,146,037.37 and 448,488.66 is: 618,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,461.85 : 1,146,037.37 = 448,488.66 : x
  2. Step 2: Convert to fraction form
    830,461.85/1,146,037.37 = 448,488.66/x
  3. Step 3: Cross multiply
    830,461.85x = 1,146,037.37 × 448,488.66
  4. Step 4: Simplify right side
    830,461.85x = 513,984,764,381.22
  5. Step 5: Solve for x
    x = 513,984,764,381.22/830,461.85
  6. Step 6: Final answer
    x = 618,914.36

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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.