Home / 887,595.40-1,330,485.90-437,624.20

Finding the Fourth Proportional to 887,595.40, 1,330,485.90 and 437,624.20

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Solution

The fourth proportional to 887,595.40, 1,330,485.90 and 437,624.20 is: 655,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,595.40 : 1,330,485.90 = 437,624.20 : x
  2. Step 2: Convert to fraction form
    887,595.40/1,330,485.90 = 437,624.20/x
  3. Step 3: Cross multiply
    887,595.40x = 1,330,485.90 × 437,624.20
  4. Step 4: Simplify right side
    887,595.40x = 582,252,827,598.78
  5. Step 5: Solve for x
    x = 582,252,827,598.78/887,595.40
  6. Step 6: Final answer
    x = 655,989.01

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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.