Home / 830,461.84-1,146,037.36-448,488.66

Finding the Fourth Proportional to 830,461.84, 1,146,037.36 and 448,488.66

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Solution

The fourth proportional to 830,461.84, 1,146,037.36 and 448,488.66 is: 618,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,461.84 : 1,146,037.36 = 448,488.66 : x
  2. Step 2: Convert to fraction form
    830,461.84/1,146,037.36 = 448,488.66/x
  3. Step 3: Cross multiply
    830,461.84x = 1,146,037.36 × 448,488.66
  4. Step 4: Simplify right side
    830,461.84x = 513,984,759,896.34
  5. Step 5: Solve for x
    x = 513,984,759,896.34/830,461.84
  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.