Home / 841,076.10-1,160,644.46-478,465.83

Finding the Fourth Proportional to 841,076.10, 1,160,644.46 and 478,465.83

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Solution

The fourth proportional to 841,076.10, 1,160,644.46 and 478,465.83 is: 660,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,076.10 : 1,160,644.46 = 478,465.83 : x
  2. Step 2: Convert to fraction form
    841,076.10/1,160,644.46 = 478,465.83/x
  3. Step 3: Cross multiply
    841,076.10x = 1,160,644.46 × 478,465.83
  4. Step 4: Simplify right side
    841,076.10x = 555,328,712,496.47
  5. Step 5: Solve for x
    x = 555,328,712,496.47/841,076.10
  6. Step 6: Final answer
    x = 660,259.77

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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.