Home / 918,077.42-1,266,866.19-510,153.41

Finding the Fourth Proportional to 918,077.42, 1,266,866.19 and 510,153.41

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Solution

The fourth proportional to 918,077.42, 1,266,866.19 and 510,153.41 is: 703,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,077.42 : 1,266,866.19 = 510,153.41 : x
  2. Step 2: Convert to fraction form
    918,077.42/1,266,866.19 = 510,153.41/x
  3. Step 3: Cross multiply
    918,077.42x = 1,266,866.19 × 510,153.41
  4. Step 4: Simplify right side
    918,077.42x = 646,296,110,009.37
  5. Step 5: Solve for x
    x = 646,296,110,009.37/918,077.42
  6. Step 6: Final answer
    x = 703,966.89

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1.5x scale

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.