Home / 984,927.04-1,359,117.68-555,312.80

Finding the Fourth Proportional to 984,927.04, 1,359,117.68 and 555,312.80

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Solution

The fourth proportional to 984,927.04, 1,359,117.68 and 555,312.80 is: 766,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,927.04 : 1,359,117.68 = 555,312.80 : x
  2. Step 2: Convert to fraction form
    984,927.04/1,359,117.68 = 555,312.80/x
  3. Step 3: Cross multiply
    984,927.04x = 1,359,117.68 × 555,312.80
  4. Step 4: Simplify right side
    984,927.04x = 754,735,444,410.30
  5. Step 5: Solve for x
    x = 754,735,444,410.30/984,927.04
  6. Step 6: Final answer
    x = 766,285.64

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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.