Home / 876,259.80-1,314,000.90-402,701.40

Finding the Fourth Proportional to 876,259.80, 1,314,000.90 and 402,701.40

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Solution

The fourth proportional to 876,259.80, 1,314,000.90 and 402,701.40 is: 603,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,259.80 : 1,314,000.90 = 402,701.40 : x
  2. Step 2: Convert to fraction form
    876,259.80/1,314,000.90 = 402,701.40/x
  3. Step 3: Cross multiply
    876,259.80x = 1,314,000.90 × 402,701.40
  4. Step 4: Simplify right side
    876,259.80x = 529,150,002,031.26
  5. Step 5: Solve for x
    x = 529,150,002,031.26/876,259.80
  6. Step 6: Final answer
    x = 603,873.42

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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.