Home / 989,238.96-1,365,180.75-559,510.74

Finding the Fourth Proportional to 989,238.96, 1,365,180.75 and 559,510.74

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Solution

The fourth proportional to 989,238.96, 1,365,180.75 and 559,510.74 is: 772,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,238.96 : 1,365,180.75 = 559,510.74 : x
  2. Step 2: Convert to fraction form
    989,238.96/1,365,180.75 = 559,510.74/x
  3. Step 3: Cross multiply
    989,238.96x = 1,365,180.75 × 559,510.74
  4. Step 4: Simplify right side
    989,238.96x = 763,833,291,666.26
  5. Step 5: Solve for x
    x = 763,833,291,666.26/989,238.96
  6. Step 6: Final answer
    x = 772,142.35

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Double scale
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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.