Home / 627,075.03-865,366.02-340,599.90

Finding the Fourth Proportional to 627,075.03, 865,366.02 and 340,599.90

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Solution

The fourth proportional to 627,075.03, 865,366.02 and 340,599.90 is: 470,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,075.03 : 865,366.02 = 340,599.90 : x
  2. Step 2: Convert to fraction form
    627,075.03/865,366.02 = 340,599.90/x
  3. Step 3: Cross multiply
    627,075.03x = 865,366.02 × 340,599.90
  4. Step 4: Simplify right side
    627,075.03x = 294,743,579,875.40
  5. Step 5: Solve for x
    x = 294,743,579,875.40/627,075.03
  6. Step 6: Final answer
    x = 470,029.21

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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.