Home / 770,702.04-1,156,061.70-344,259.72

Finding the Fourth Proportional to 770,702.04, 1,156,061.70 and 344,259.72

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Solution

The fourth proportional to 770,702.04, 1,156,061.70 and 344,259.72 is: 516,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,702.04 : 1,156,061.70 = 344,259.72 : x
  2. Step 2: Convert to fraction form
    770,702.04/1,156,061.70 = 344,259.72/x
  3. Step 3: Cross multiply
    770,702.04x = 1,156,061.70 × 344,259.72
  4. Step 4: Simplify right side
    770,702.04x = 397,985,477,144.72
  5. Step 5: Solve for x
    x = 397,985,477,144.72/770,702.04
  6. Step 6: Final answer
    x = 516,393.44

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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.