Home / 690,623.02-1,035,587.40-402,527.44

Finding the Fourth Proportional to 690,623.02, 1,035,587.40 and 402,527.44

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Solution

The fourth proportional to 690,623.02, 1,035,587.40 and 402,527.44 is: 603,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,623.02 : 1,035,587.40 = 402,527.44 : x
  2. Step 2: Convert to fraction form
    690,623.02/1,035,587.40 = 402,527.44/x
  3. Step 3: Cross multiply
    690,623.02x = 1,035,587.40 × 402,527.44
  4. Step 4: Simplify right side
    690,623.02x = 416,852,345,018.26
  5. Step 5: Solve for x
    x = 416,852,345,018.26/690,623.02
  6. Step 6: Final answer
    x = 603,588.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.