Home / 751,554.09-1,127,051.28-302,123.70

Finding the Fourth Proportional to 751,554.09, 1,127,051.28 and 302,123.70

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Solution

The fourth proportional to 751,554.09, 1,127,051.28 and 302,123.70 is: 453,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,554.09 : 1,127,051.28 = 302,123.70 : x
  2. Step 2: Convert to fraction form
    751,554.09/1,127,051.28 = 302,123.70/x
  3. Step 3: Cross multiply
    751,554.09x = 1,127,051.28 × 302,123.70
  4. Step 4: Simplify right side
    751,554.09x = 340,508,902,803.34
  5. Step 5: Solve for x
    x = 340,508,902,803.34/751,554.09
  6. Step 6: Final answer
    x = 453,073.05

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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.