Home / 768,014.40-1,152,021.60-581,390.40

Finding the Fourth Proportional to 768,014.40, 1,152,021.60 and 581,390.40

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Solution

The fourth proportional to 768,014.40, 1,152,021.60 and 581,390.40 is: 872,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,014.40 : 1,152,021.60 = 581,390.40 : x
  2. Step 2: Convert to fraction form
    768,014.40/1,152,021.60 = 581,390.40/x
  3. Step 3: Cross multiply
    768,014.40x = 1,152,021.60 × 581,390.40
  4. Step 4: Simplify right side
    768,014.40x = 669,774,298,832.64
  5. Step 5: Solve for x
    x = 669,774,298,832.64/768,014.40
  6. Step 6: Final answer
    x = 872,085.60

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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.