Home / 790,636.47-1,184,712.86-611,161.67

Finding the Fourth Proportional to 790,636.47, 1,184,712.86 and 611,161.67

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Solution

The fourth proportional to 790,636.47, 1,184,712.86 and 611,161.67 is: 915,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,636.47 : 1,184,712.86 = 611,161.67 : x
  2. Step 2: Convert to fraction form
    790,636.47/1,184,712.86 = 611,161.67/x
  3. Step 3: Cross multiply
    790,636.47x = 1,184,712.86 × 611,161.67
  4. Step 4: Simplify right side
    790,636.47x = 724,051,084,064.51
  5. Step 5: Solve for x
    x = 724,051,084,064.51/790,636.47
  6. Step 6: Final answer
    x = 915,782.55

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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.