Home / 770,060.40-1,155,090.60-583,436.40

Finding the Fourth Proportional to 770,060.40, 1,155,090.60 and 583,436.40

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Solution

The fourth proportional to 770,060.40, 1,155,090.60 and 583,436.40 is: 875,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,060.40 : 1,155,090.60 = 583,436.40 : x
  2. Step 2: Convert to fraction form
    770,060.40/1,155,090.60 = 583,436.40/x
  3. Step 3: Cross multiply
    770,060.40x = 1,155,090.60 × 583,436.40
  4. Step 4: Simplify right side
    770,060.40x = 673,921,901,337.84
  5. Step 5: Solve for x
    x = 673,921,901,337.84/770,060.40
  6. Step 6: Final answer
    x = 875,154.60

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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.