Home / 833,103.93-1,249,397.56-300,555.77

Finding the Fourth Proportional to 833,103.93, 1,249,397.56 and 300,555.77

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Solution

The fourth proportional to 833,103.93, 1,249,397.56 and 300,555.77 is: 450,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,103.93 : 1,249,397.56 = 300,555.77 : x
  2. Step 2: Convert to fraction form
    833,103.93/1,249,397.56 = 300,555.77/x
  3. Step 3: Cross multiply
    833,103.93x = 1,249,397.56 × 300,555.77
  4. Step 4: Simplify right side
    833,103.93x = 375,513,639,810.63
  5. Step 5: Solve for x
    x = 375,513,639,810.63/833,103.93
  6. Step 6: Final answer
    x = 450,740.45

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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.