Home / 770,143.92-1,154,088.09-433,840.02

Finding the Fourth Proportional to 770,143.92, 1,154,088.09 and 433,840.02

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Solution

The fourth proportional to 770,143.92, 1,154,088.09 and 433,840.02 is: 650,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,143.92 : 1,154,088.09 = 433,840.02 : x
  2. Step 2: Convert to fraction form
    770,143.92/1,154,088.09 = 433,840.02/x
  3. Step 3: Cross multiply
    770,143.92x = 1,154,088.09 × 433,840.02
  4. Step 4: Simplify right side
    770,143.92x = 500,689,600,047.36
  5. Step 5: Solve for x
    x = 500,689,600,047.36/770,143.92
  6. Step 6: Final answer
    x = 650,124.72

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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.