Home / 833,123.86-1,249,427.48-300,575.68

Finding the Fourth Proportional to 833,123.86, 1,249,427.48 and 300,575.68

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Solution

The fourth proportional to 833,123.86, 1,249,427.48 and 300,575.68 is: 450,770.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,123.86 : 1,249,427.48 = 300,575.68 : x
  2. Step 2: Convert to fraction form
    833,123.86/1,249,427.48 = 300,575.68/x
  3. Step 3: Cross multiply
    833,123.86x = 1,249,427.48 × 300,575.68
  4. Step 4: Simplify right side
    833,123.86x = 375,547,514,411.69
  5. Step 5: Solve for x
    x = 375,547,514,411.69/833,123.86
  6. Step 6: Final answer
    x = 450,770.33

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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.