Home / 532,420.63-734,734.90-290,702.45

Finding the Fourth Proportional to 532,420.63, 734,734.90 and 290,702.45

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Solution

The fourth proportional to 532,420.63, 734,734.90 and 290,702.45 is: 401,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,420.63 : 734,734.90 = 290,702.45 : x
  2. Step 2: Convert to fraction form
    532,420.63/734,734.90 = 290,702.45/x
  3. Step 3: Cross multiply
    532,420.63x = 734,734.90 × 290,702.45
  4. Step 4: Simplify right side
    532,420.63x = 213,589,237,730.72
  5. Step 5: Solve for x
    x = 213,589,237,730.72/532,420.63
  6. Step 6: Final answer
    x = 401,166.35

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1.5x scale

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.