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Finding the Fourth Proportional to 704,875.49, 972,702.10 and 382,578.67

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Solution

The fourth proportional to 704,875.49, 972,702.10 and 382,578.67 is: 527,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,875.49 : 972,702.10 = 382,578.67 : x
  2. Step 2: Convert to fraction form
    704,875.49/972,702.10 = 382,578.67/x
  3. Step 3: Cross multiply
    704,875.49x = 972,702.10 × 382,578.67
  4. Step 4: Simplify right side
    704,875.49x = 372,135,075,724.21
  5. Step 5: Solve for x
    x = 372,135,075,724.21/704,875.49
  6. Step 6: Final answer
    x = 527,944.41

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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.