Home / 712,641.66-1,069,012.37-286,177.47

Finding the Fourth Proportional to 712,641.66, 1,069,012.37 and 286,177.47

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Solution

The fourth proportional to 712,641.66, 1,069,012.37 and 286,177.47 is: 429,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,641.66 : 1,069,012.37 = 286,177.47 : x
  2. Step 2: Convert to fraction form
    712,641.66/1,069,012.37 = 286,177.47/x
  3. Step 3: Cross multiply
    712,641.66x = 1,069,012.37 × 286,177.47
  4. Step 4: Simplify right side
    712,641.66x = 305,927,252,151.95
  5. Step 5: Solve for x
    x = 305,927,252,151.95/712,641.66
  6. Step 6: Final answer
    x = 429,286.23

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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.