Home / 716,009.83-988,077.49-389,315.77

Finding the Fourth Proportional to 716,009.83, 988,077.49 and 389,315.77

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Solution

The fourth proportional to 716,009.83, 988,077.49 and 389,315.77 is: 537,247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,009.83 : 988,077.49 = 389,315.77 : x
  2. Step 2: Convert to fraction form
    716,009.83/988,077.49 = 389,315.77/x
  3. Step 3: Cross multiply
    716,009.83x = 988,077.49 × 389,315.77
  4. Step 4: Simplify right side
    716,009.83x = 384,674,145,395.53
  5. Step 5: Solve for x
    x = 384,674,145,395.53/716,009.83
  6. Step 6: Final answer
    x = 537,247.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.