Home / 779,495.28-1,169,614.56-539,978.40

Finding the Fourth Proportional to 779,495.28, 1,169,614.56 and 539,978.40

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Solution

The fourth proportional to 779,495.28, 1,169,614.56 and 539,978.40 is: 810,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,495.28 : 1,169,614.56 = 539,978.40 : x
  2. Step 2: Convert to fraction form
    779,495.28/1,169,614.56 = 539,978.40/x
  3. Step 3: Cross multiply
    779,495.28x = 1,169,614.56 × 539,978.40
  4. Step 4: Simplify right side
    779,495.28x = 631,566,598,725.50
  5. Step 5: Solve for x
    x = 631,566,598,725.50/779,495.28
  6. Step 6: Final answer
    x = 810,225.05

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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.