Home / 753,558.41-1,130,374.53-304,223.19

Finding the Fourth Proportional to 753,558.41, 1,130,374.53 and 304,223.19

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Solution

The fourth proportional to 753,558.41, 1,130,374.53 and 304,223.19 is: 456,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,558.41 : 1,130,374.53 = 304,223.19 : x
  2. Step 2: Convert to fraction form
    753,558.41/1,130,374.53 = 304,223.19/x
  3. Step 3: Cross multiply
    753,558.41x = 1,130,374.53 × 304,223.19
  4. Step 4: Simplify right side
    753,558.41x = 343,886,145,411.35
  5. Step 5: Solve for x
    x = 343,886,145,411.35/753,558.41
  6. Step 6: Final answer
    x = 456,349.69

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.