Home / 833,041.67-1,249,303.91-300,493.40

Finding the Fourth Proportional to 833,041.67, 1,249,303.91 and 300,493.40

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Solution

The fourth proportional to 833,041.67, 1,249,303.91 and 300,493.40 is: 450,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,041.67 : 1,249,303.91 = 300,493.40 : x
  2. Step 2: Convert to fraction form
    833,041.67/1,249,303.91 = 300,493.40/x
  3. Step 3: Cross multiply
    833,041.67x = 1,249,303.91 × 300,493.40
  4. Step 4: Simplify right side
    833,041.67x = 375,407,571,800.21
  5. Step 5: Solve for x
    x = 375,407,571,800.21/833,041.67
  6. Step 6: Final answer
    x = 450,646.81

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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.