Home / 909,175.40-1,254,809.88-546,965.36

Finding the Fourth Proportional to 909,175.40, 1,254,809.88 and 546,965.36

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Solution

The fourth proportional to 909,175.40, 1,254,809.88 and 546,965.36 is: 754,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,175.40 : 1,254,809.88 = 546,965.36 : x
  2. Step 2: Convert to fraction form
    909,175.40/1,254,809.88 = 546,965.36/x
  3. Step 3: Cross multiply
    909,175.40x = 1,254,809.88 × 546,965.36
  4. Step 4: Simplify right side
    909,175.40x = 686,337,537,745.76
  5. Step 5: Solve for x
    x = 686,337,537,745.76/909,175.40
  6. Step 6: Final answer
    x = 754,901.13

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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.