Home / 830,271.15-1,145,337.72-524,236.95

Finding the Fourth Proportional to 830,271.15, 1,145,337.72 and 524,236.95

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Solution

The fourth proportional to 830,271.15, 1,145,337.72 and 524,236.95 is: 723,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,271.15 : 1,145,337.72 = 524,236.95 : x
  2. Step 2: Convert to fraction form
    830,271.15/1,145,337.72 = 524,236.95/x
  3. Step 3: Cross multiply
    830,271.15x = 1,145,337.72 × 524,236.95
  4. Step 4: Simplify right side
    830,271.15x = 600,428,353,052.75
  5. Step 5: Solve for x
    x = 600,428,353,052.75/830,271.15
  6. Step 6: Final answer
    x = 723,171.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.