Home / 915,384.60-1,263,261.44-507,462.12

Finding the Fourth Proportional to 915,384.60, 1,263,261.44 and 507,462.12

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Solution

The fourth proportional to 915,384.60, 1,263,261.44 and 507,462.12 is: 700,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,384.60 : 1,263,261.44 = 507,462.12 : x
  2. Step 2: Convert to fraction form
    915,384.60/1,263,261.44 = 507,462.12/x
  3. Step 3: Cross multiply
    915,384.60x = 1,263,261.44 × 507,462.12
  4. Step 4: Simplify right side
    915,384.60x = 641,057,328,456.65
  5. Step 5: Solve for x
    x = 641,057,328,456.65/915,384.60
  6. Step 6: Final answer
    x = 700,314.74

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Double scale
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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.