Home / 920,554.08-1,270,273.69-512,693.87

Finding the Fourth Proportional to 920,554.08, 1,270,273.69 and 512,693.87

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Solution

The fourth proportional to 920,554.08, 1,270,273.69 and 512,693.87 is: 707,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,554.08 : 1,270,273.69 = 512,693.87 : x
  2. Step 2: Convert to fraction form
    920,554.08/1,270,273.69 = 512,693.87/x
  3. Step 3: Cross multiply
    920,554.08x = 1,270,273.69 × 512,693.87
  4. Step 4: Simplify right side
    920,554.08x = 651,261,537,908.98
  5. Step 5: Solve for x
    x = 651,261,537,908.98/920,554.08
  6. Step 6: Final answer
    x = 707,466.90

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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.