Home / 985,292.64-1,359,588.33-555,547.14

Finding the Fourth Proportional to 985,292.64, 1,359,588.33 and 555,547.14

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Solution

The fourth proportional to 985,292.64, 1,359,588.33 and 555,547.14 is: 766,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,292.64 : 1,359,588.33 = 555,547.14 : x
  2. Step 2: Convert to fraction form
    985,292.64/1,359,588.33 = 555,547.14/x
  3. Step 3: Cross multiply
    985,292.64x = 1,359,588.33 × 555,547.14
  4. Step 4: Simplify right side
    985,292.64x = 755,315,408,308.88
  5. Step 5: Solve for x
    x = 755,315,408,308.88/985,292.64
  6. Step 6: Final answer
    x = 766,589.92

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1.5x scale

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.