Home / 947,130.64-1,420,907.37-498,063.40

Finding the Fourth Proportional to 947,130.64, 1,420,907.37 and 498,063.40

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Solution

The fourth proportional to 947,130.64, 1,420,907.37 and 498,063.40 is: 747,206.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,130.64 : 1,420,907.37 = 498,063.40 : x
  2. Step 2: Convert to fraction form
    947,130.64/1,420,907.37 = 498,063.40/x
  3. Step 3: Cross multiply
    947,130.64x = 1,420,907.37 × 498,063.40
  4. Step 4: Simplify right side
    947,130.64x = 707,701,955,787.26
  5. Step 5: Solve for x
    x = 707,701,955,787.26/947,130.64
  6. Step 6: Final answer
    x = 747,206.27

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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.