Home / 759,242.16-1,047,721.68-415,071.72

Finding the Fourth Proportional to 759,242.16, 1,047,721.68 and 415,071.72

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Solution

The fourth proportional to 759,242.16, 1,047,721.68 and 415,071.72 is: 572,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,242.16 : 1,047,721.68 = 415,071.72 : x
  2. Step 2: Convert to fraction form
    759,242.16/1,047,721.68 = 415,071.72/x
  3. Step 3: Cross multiply
    759,242.16x = 1,047,721.68 × 415,071.72
  4. Step 4: Simplify right side
    759,242.16x = 434,879,639,798.89
  5. Step 5: Solve for x
    x = 434,879,639,798.89/759,242.16
  6. Step 6: Final answer
    x = 572,781.21

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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.