Home / 885,742.70-1,328,614.05-413,350.70

Finding the Fourth Proportional to 885,742.70, 1,328,614.05 and 413,350.70

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Solution

The fourth proportional to 885,742.70, 1,328,614.05 and 413,350.70 is: 620,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,742.70 : 1,328,614.05 = 413,350.70 : x
  2. Step 2: Convert to fraction form
    885,742.70/1,328,614.05 = 413,350.70/x
  3. Step 3: Cross multiply
    885,742.70x = 1,328,614.05 × 413,350.70
  4. Step 4: Simplify right side
    885,742.70x = 549,183,547,597.34
  5. Step 5: Solve for x
    x = 549,183,547,597.34/885,742.70
  6. Step 6: Final answer
    x = 620,026.05

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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.