Home / 841,178.36-1,160,830.86-478,602.22

Finding the Fourth Proportional to 841,178.36, 1,160,830.86 and 478,602.22

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Solution

The fourth proportional to 841,178.36, 1,160,830.86 and 478,602.22 is: 660,473.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,178.36 : 1,160,830.86 = 478,602.22 : x
  2. Step 2: Convert to fraction form
    841,178.36/1,160,830.86 = 478,602.22/x
  3. Step 3: Cross multiply
    841,178.36x = 1,160,830.86 × 478,602.22
  4. Step 4: Simplify right side
    841,178.36x = 555,576,221,561.87
  5. Step 5: Solve for x
    x = 555,576,221,561.87/841,178.36
  6. Step 6: Final answer
    x = 660,473.74

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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.