Home / 989,485.52-1,365,492.64-536,776.52

Finding the Fourth Proportional to 989,485.52, 1,365,492.64 and 536,776.52

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Solution

The fourth proportional to 989,485.52, 1,365,492.64 and 536,776.52 is: 740,753.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,485.52 : 1,365,492.64 = 536,776.52 : x
  2. Step 2: Convert to fraction form
    989,485.52/1,365,492.64 = 536,776.52/x
  3. Step 3: Cross multiply
    989,485.52x = 1,365,492.64 × 536,776.52
  4. Step 4: Simplify right side
    989,485.52x = 732,964,387,384.81
  5. Step 5: Solve for x
    x = 732,964,387,384.81/989,485.52
  6. Step 6: Final answer
    x = 740,753.02

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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.