Home / 920,827.16-1,270,573.08-512,918.60

Finding the Fourth Proportional to 920,827.16, 1,270,573.08 and 512,918.60

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Solution

The fourth proportional to 920,827.16, 1,270,573.08 and 512,918.60 is: 707,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,827.16 : 1,270,573.08 = 512,918.60 : x
  2. Step 2: Convert to fraction form
    920,827.16/1,270,573.08 = 512,918.60/x
  3. Step 3: Cross multiply
    920,827.16x = 1,270,573.08 × 512,918.60
  4. Step 4: Simplify right side
    920,827.16x = 651,700,565,391.29
  5. Step 5: Solve for x
    x = 651,700,565,391.29/920,827.16
  6. Step 6: Final answer
    x = 707,733.87

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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.