Home / 875,291.20-1,312,936.80-501,006.40

Finding the Fourth Proportional to 875,291.20, 1,312,936.80 and 501,006.40

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Solution

The fourth proportional to 875,291.20, 1,312,936.80 and 501,006.40 is: 751,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,291.20 : 1,312,936.80 = 501,006.40 : x
  2. Step 2: Convert to fraction form
    875,291.20/1,312,936.80 = 501,006.40/x
  3. Step 3: Cross multiply
    875,291.20x = 1,312,936.80 × 501,006.40
  4. Step 4: Simplify right side
    875,291.20x = 657,789,739,595.52
  5. Step 5: Solve for x
    x = 657,789,739,595.52/875,291.20
  6. Step 6: Final answer
    x = 751,509.60

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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.