Home / 507,916.44-762,822.90-447,148.35

Finding the Fourth Proportional to 507,916.44, 762,822.90 and 447,148.35

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Solution

The fourth proportional to 507,916.44, 762,822.90 and 447,148.35 is: 671,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,916.44 : 762,822.90 = 447,148.35 : x
  2. Step 2: Convert to fraction form
    507,916.44/762,822.90 = 447,148.35/x
  3. Step 3: Cross multiply
    507,916.44x = 762,822.90 × 447,148.35
  4. Step 4: Simplify right side
    507,916.44x = 341,095,001,077.22
  5. Step 5: Solve for x
    x = 341,095,001,077.22/507,916.44
  6. Step 6: Final answer
    x = 671,557.32

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1.5x scale

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.