Home / 912,957.40-1,370,273.10-463,990.60

Finding the Fourth Proportional to 912,957.40, 1,370,273.10 and 463,990.60

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Solution

The fourth proportional to 912,957.40, 1,370,273.10 and 463,990.60 is: 696,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,957.40 : 1,370,273.10 = 463,990.60 : x
  2. Step 2: Convert to fraction form
    912,957.40/1,370,273.10 = 463,990.60/x
  3. Step 3: Cross multiply
    912,957.40x = 1,370,273.10 × 463,990.60
  4. Step 4: Simplify right side
    912,957.40x = 635,793,837,832.86
  5. Step 5: Solve for x
    x = 635,793,837,832.86/912,957.40
  6. Step 6: Final answer
    x = 696,411.29

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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.