Home / 486,026.10-729,039.15-308,004.30

Finding the Fourth Proportional to 486,026.10, 729,039.15 and 308,004.30

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Solution

The fourth proportional to 486,026.10, 729,039.15 and 308,004.30 is: 462,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,026.10 : 729,039.15 = 308,004.30 : x
  2. Step 2: Convert to fraction form
    486,026.10/729,039.15 = 308,004.30/x
  3. Step 3: Cross multiply
    486,026.10x = 729,039.15 × 308,004.30
  4. Step 4: Simplify right side
    486,026.10x = 224,547,193,068.35
  5. Step 5: Solve for x
    x = 224,547,193,068.35/486,026.10
  6. Step 6: Final answer
    x = 462,006.45

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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.