Home / 874,779.12-1,312,568.48-395,135.16

Finding the Fourth Proportional to 874,779.12, 1,312,568.48 and 395,135.16

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Solution

The fourth proportional to 874,779.12, 1,312,568.48 and 395,135.16 is: 592,883.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,779.12 : 1,312,568.48 = 395,135.16 : x
  2. Step 2: Convert to fraction form
    874,779.12/1,312,568.48 = 395,135.16/x
  3. Step 3: Cross multiply
    874,779.12x = 1,312,568.48 × 395,135.16
  4. Step 4: Simplify right side
    874,779.12x = 518,641,956,355.76
  5. Step 5: Solve for x
    x = 518,641,956,355.76/874,779.12
  6. Step 6: Final answer
    x = 592,883.33

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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.