Home / 734,730.60-1,102,095.90-648,125.40

Finding the Fourth Proportional to 734,730.60, 1,102,095.90 and 648,125.40

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Solution

The fourth proportional to 734,730.60, 1,102,095.90 and 648,125.40 is: 972,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,730.60 : 1,102,095.90 = 648,125.40 : x
  2. Step 2: Convert to fraction form
    734,730.60/1,102,095.90 = 648,125.40/x
  3. Step 3: Cross multiply
    734,730.60x = 1,102,095.90 × 648,125.40
  4. Step 4: Simplify right side
    734,730.60x = 714,296,346,025.86
  5. Step 5: Solve for x
    x = 714,296,346,025.86/734,730.60
  6. Step 6: Final answer
    x = 972,188.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.