Home / 710,517.10-1,064,868.45-289,317.10

Finding the Fourth Proportional to 710,517.10, 1,064,868.45 and 289,317.10

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Solution

The fourth proportional to 710,517.10, 1,064,868.45 and 289,317.10 is: 433,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,517.10 : 1,064,868.45 = 289,317.10 : x
  2. Step 2: Convert to fraction form
    710,517.10/1,064,868.45 = 289,317.10/x
  3. Step 3: Cross multiply
    710,517.10x = 1,064,868.45 × 289,317.10
  4. Step 4: Simplify right side
    710,517.10x = 308,084,651,835.50
  5. Step 5: Solve for x
    x = 308,084,651,835.50/710,517.10
  6. Step 6: Final answer
    x = 433,606.25

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1.5x scale

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.