Home / 879,955.02-1,214,356.11-497,981.70

Finding the Fourth Proportional to 879,955.02, 1,214,356.11 and 497,981.70

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Solution

The fourth proportional to 879,955.02, 1,214,356.11 and 497,981.70 is: 687,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,955.02 : 1,214,356.11 = 497,981.70 : x
  2. Step 2: Convert to fraction form
    879,955.02/1,214,356.11 = 497,981.70/x
  3. Step 3: Cross multiply
    879,955.02x = 1,214,356.11 × 497,981.70
  4. Step 4: Simplify right side
    879,955.02x = 604,727,120,063.19
  5. Step 5: Solve for x
    x = 604,727,120,063.19/879,955.02
  6. Step 6: Final answer
    x = 687,225.04

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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.