Home / 875,441.16-1,312,780.38-465,020.68

Finding the Fourth Proportional to 875,441.16, 1,312,780.38 and 465,020.68

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Solution

The fourth proportional to 875,441.16, 1,312,780.38 and 465,020.68 is: 697,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,441.16 : 1,312,780.38 = 465,020.68 : x
  2. Step 2: Convert to fraction form
    875,441.16/1,312,780.38 = 465,020.68/x
  3. Step 3: Cross multiply
    875,441.16x = 1,312,780.38 × 465,020.68
  4. Step 4: Simplify right side
    875,441.16x = 610,470,024,998.26
  5. Step 5: Solve for x
    x = 610,470,024,998.26/875,441.16
  6. Step 6: Final answer
    x = 697,328.45

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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.