Home / 833,127.36-1,249,432.80-300,579.12

Finding the Fourth Proportional to 833,127.36, 1,249,432.80 and 300,579.12

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Solution

The fourth proportional to 833,127.36, 1,249,432.80 and 300,579.12 is: 450,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,127.36 : 1,249,432.80 = 300,579.12 : x
  2. Step 2: Convert to fraction form
    833,127.36/1,249,432.80 = 300,579.12/x
  3. Step 3: Cross multiply
    833,127.36x = 1,249,432.80 × 300,579.12
  4. Step 4: Simplify right side
    833,127.36x = 375,553,411,523.14
  5. Step 5: Solve for x
    x = 375,553,411,523.14/833,127.36
  6. Step 6: Final answer
    x = 450,775.51

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1.5x scale

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.