Home / 759,270.04-1,047,820.62-415,128.88

Finding the Fourth Proportional to 759,270.04, 1,047,820.62 and 415,128.88

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Solution

The fourth proportional to 759,270.04, 1,047,820.62 and 415,128.88 is: 572,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,270.04 : 1,047,820.62 = 415,128.88 : x
  2. Step 2: Convert to fraction form
    759,270.04/1,047,820.62 = 415,128.88/x
  3. Step 3: Cross multiply
    759,270.04x = 1,047,820.62 × 415,128.88
  4. Step 4: Simplify right side
    759,270.04x = 434,980,600,421.51
  5. Step 5: Solve for x
    x = 434,980,600,421.51/759,270.04
  6. Step 6: Final answer
    x = 572,893.14

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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.