Home / 730,281.60-1,095,422.40-430,905.60

Finding the Fourth Proportional to 730,281.60, 1,095,422.40 and 430,905.60

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Solution

The fourth proportional to 730,281.60, 1,095,422.40 and 430,905.60 is: 646,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,281.60 : 1,095,422.40 = 430,905.60 : x
  2. Step 2: Convert to fraction form
    730,281.60/1,095,422.40 = 430,905.60/x
  3. Step 3: Cross multiply
    730,281.60x = 1,095,422.40 × 430,905.60
  4. Step 4: Simplify right side
    730,281.60x = 472,023,646,525.44
  5. Step 5: Solve for x
    x = 472,023,646,525.44/730,281.60
  6. Step 6: Final answer
    x = 646,358.40

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Double scale
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1.5x scale

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.