Home / 971,059.60-1,455,811.80-409,632.40

Finding the Fourth Proportional to 971,059.60, 1,455,811.80 and 409,632.40

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Solution

The fourth proportional to 971,059.60, 1,455,811.80 and 409,632.40 is: 614,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,059.60 : 1,455,811.80 = 409,632.40 : x
  2. Step 2: Convert to fraction form
    971,059.60/1,455,811.80 = 409,632.40/x
  3. Step 3: Cross multiply
    971,059.60x = 1,455,811.80 × 409,632.40
  4. Step 4: Simplify right side
    971,059.60x = 596,347,681,582.32
  5. Step 5: Solve for x
    x = 596,347,681,582.32/971,059.60
  6. Step 6: Final answer
    x = 614,120.58

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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.