Home / 756,749.16-1,044,271.80-434,438.28

Finding the Fourth Proportional to 756,749.16, 1,044,271.80 and 434,438.28

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Solution

The fourth proportional to 756,749.16, 1,044,271.80 and 434,438.28 is: 599,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,749.16 : 1,044,271.80 = 434,438.28 : x
  2. Step 2: Convert to fraction form
    756,749.16/1,044,271.80 = 434,438.28/x
  3. Step 3: Cross multiply
    756,749.16x = 1,044,271.80 × 434,438.28
  4. Step 4: Simplify right side
    756,749.16x = 453,671,644,644.50
  5. Step 5: Solve for x
    x = 453,671,644,644.50/756,749.16
  6. Step 6: Final answer
    x = 599,500.69

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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.