Home / 738,431.84-1,018,530.08-452,093.40

Finding the Fourth Proportional to 738,431.84, 1,018,530.08 and 452,093.40

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Solution

The fourth proportional to 738,431.84, 1,018,530.08 and 452,093.40 is: 623,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,431.84 : 1,018,530.08 = 452,093.40 : x
  2. Step 2: Convert to fraction form
    738,431.84/1,018,530.08 = 452,093.40/x
  3. Step 3: Cross multiply
    738,431.84x = 1,018,530.08 × 452,093.40
  4. Step 4: Simplify right side
    738,431.84x = 460,470,725,027.89
  5. Step 5: Solve for x
    x = 460,470,725,027.89/738,431.84
  6. Step 6: Final answer
    x = 623,579.19

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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.