Home / 730,411.80-1,095,617.70-478,469.40

Finding the Fourth Proportional to 730,411.80, 1,095,617.70 and 478,469.40

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Solution

The fourth proportional to 730,411.80, 1,095,617.70 and 478,469.40 is: 717,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,411.80 : 1,095,617.70 = 478,469.40 : x
  2. Step 2: Convert to fraction form
    730,411.80/1,095,617.70 = 478,469.40/x
  3. Step 3: Cross multiply
    730,411.80x = 1,095,617.70 × 478,469.40
  4. Step 4: Simplify right side
    730,411.80x = 524,219,543,548.38
  5. Step 5: Solve for x
    x = 524,219,543,548.38/730,411.80
  6. Step 6: Final answer
    x = 717,704.10

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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.