Home / 841,071.60-1,160,638.27-478,461.33

Finding the Fourth Proportional to 841,071.60, 1,160,638.27 and 478,461.33

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Solution

The fourth proportional to 841,071.60, 1,160,638.27 and 478,461.33 is: 660,253.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,071.60 : 1,160,638.27 = 478,461.33 : x
  2. Step 2: Convert to fraction form
    841,071.60/1,160,638.27 = 478,461.33/x
  3. Step 3: Cross multiply
    841,071.60x = 1,160,638.27 × 478,461.33
  4. Step 4: Simplify right side
    841,071.60x = 555,320,529,116.95
  5. Step 5: Solve for x
    x = 555,320,529,116.95/841,071.60
  6. Step 6: Final answer
    x = 660,253.57

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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.