Home / 920,316.08-1,269,840.24-538,268.24

Finding the Fourth Proportional to 920,316.08, 1,269,840.24 and 538,268.24

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Solution

The fourth proportional to 920,316.08, 1,269,840.24 and 538,268.24 is: 742,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,316.08 : 1,269,840.24 = 538,268.24 : x
  2. Step 2: Convert to fraction form
    920,316.08/1,269,840.24 = 538,268.24/x
  3. Step 3: Cross multiply
    920,316.08x = 1,269,840.24 × 538,268.24
  4. Step 4: Simplify right side
    920,316.08x = 683,514,671,065.98
  5. Step 5: Solve for x
    x = 683,514,671,065.98/920,316.08
  6. Step 6: Final answer
    x = 742,695.57

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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.