Home / 915,397.83-1,263,323.52-507,627.36

Finding the Fourth Proportional to 915,397.83, 1,263,323.52 and 507,627.36

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Solution

The fourth proportional to 915,397.83, 1,263,323.52 and 507,627.36 is: 700,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,397.83 : 1,263,323.52 = 507,627.36 : x
  2. Step 2: Convert to fraction form
    915,397.83/1,263,323.52 = 507,627.36/x
  3. Step 3: Cross multiply
    915,397.83x = 1,263,323.52 × 507,627.36
  4. Step 4: Simplify right side
    915,397.83x = 641,297,583,283.51
  5. Step 5: Solve for x
    x = 641,297,583,283.51/915,397.83
  6. Step 6: Final answer
    x = 700,567.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.