Home / 778,850.70-1,168,276.05-405,602.70

Finding the Fourth Proportional to 778,850.70, 1,168,276.05 and 405,602.70

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Solution

The fourth proportional to 778,850.70, 1,168,276.05 and 405,602.70 is: 608,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,850.70 : 1,168,276.05 = 405,602.70 : x
  2. Step 2: Convert to fraction form
    778,850.70/1,168,276.05 = 405,602.70/x
  3. Step 3: Cross multiply
    778,850.70x = 1,168,276.05 × 405,602.70
  4. Step 4: Simplify right side
    778,850.70x = 473,855,920,225.34
  5. Step 5: Solve for x
    x = 473,855,920,225.34/778,850.70
  6. Step 6: Final answer
    x = 608,404.05

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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.