Home / 862,970.04-1,190,900.34-480,989.16

Finding the Fourth Proportional to 862,970.04, 1,190,900.34 and 480,989.16

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Solution

The fourth proportional to 862,970.04, 1,190,900.34 and 480,989.16 is: 663,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,970.04 : 1,190,900.34 = 480,989.16 : x
  2. Step 2: Convert to fraction form
    862,970.04/1,190,900.34 = 480,989.16/x
  3. Step 3: Cross multiply
    862,970.04x = 1,190,900.34 × 480,989.16
  4. Step 4: Simplify right side
    862,970.04x = 572,810,154,180.32
  5. Step 5: Solve for x
    x = 572,810,154,180.32/862,970.04
  6. Step 6: Final answer
    x = 663,765.98

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Double scale
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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.