Home / 715,916.40-1,076,207.40-507,001.20

Finding the Fourth Proportional to 715,916.40, 1,076,207.40 and 507,001.20

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Solution

The fourth proportional to 715,916.40, 1,076,207.40 and 507,001.20 is: 762,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,916.40 : 1,076,207.40 = 507,001.20 : x
  2. Step 2: Convert to fraction form
    715,916.40/1,076,207.40 = 507,001.20/x
  3. Step 3: Cross multiply
    715,916.40x = 1,076,207.40 × 507,001.20
  4. Step 4: Simplify right side
    715,916.40x = 545,638,443,248.88
  5. Step 5: Solve for x
    x = 545,638,443,248.88/715,916.40
  6. Step 6: Final answer
    x = 762,153.85

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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.