Home / 875,828.04-1,312,782.36-342,763.20

Finding the Fourth Proportional to 875,828.04, 1,312,782.36 and 342,763.20

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Solution

The fourth proportional to 875,828.04, 1,312,782.36 and 342,763.20 is: 513,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,828.04 : 1,312,782.36 = 342,763.20 : x
  2. Step 2: Convert to fraction form
    875,828.04/1,312,782.36 = 342,763.20/x
  3. Step 3: Cross multiply
    875,828.04x = 1,312,782.36 × 342,763.20
  4. Step 4: Simplify right side
    875,828.04x = 449,973,482,617.15
  5. Step 5: Solve for x
    x = 449,973,482,617.15/875,828.04
  6. Step 6: Final answer
    x = 513,769.21

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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.