Home / 734,881.59-1,102,038.91-285,543.30

Finding the Fourth Proportional to 734,881.59, 1,102,038.91 and 285,543.30

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Solution

The fourth proportional to 734,881.59, 1,102,038.91 and 285,543.30 is: 428,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,881.59 : 1,102,038.91 = 285,543.30 : x
  2. Step 2: Convert to fraction form
    734,881.59/1,102,038.91 = 285,543.30/x
  3. Step 3: Cross multiply
    734,881.59x = 1,102,038.91 × 285,543.30
  4. Step 4: Simplify right side
    734,881.59x = 314,679,827,089.80
  5. Step 5: Solve for x
    x = 314,679,827,089.80/734,881.59
  6. Step 6: Final answer
    x = 428,204.80

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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.