Home / 875,878.20-1,312,910.10-475,673.40

Finding the Fourth Proportional to 875,878.20, 1,312,910.10 and 475,673.40

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Solution

The fourth proportional to 875,878.20, 1,312,910.10 and 475,673.40 is: 713,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,878.20 : 1,312,910.10 = 475,673.40 : x
  2. Step 2: Convert to fraction form
    875,878.20/1,312,910.10 = 475,673.40/x
  3. Step 3: Cross multiply
    875,878.20x = 1,312,910.10 × 475,673.40
  4. Step 4: Simplify right side
    875,878.20x = 624,516,411,161.34
  5. Step 5: Solve for x
    x = 624,516,411,161.34/875,878.20
  6. Step 6: Final answer
    x = 713,017.42

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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.