Home / 777,549.42-1,072,888.02-433,309.80

Finding the Fourth Proportional to 777,549.42, 1,072,888.02 and 433,309.80

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Solution

The fourth proportional to 777,549.42, 1,072,888.02 and 433,309.80 is: 597,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,549.42 : 1,072,888.02 = 433,309.80 : x
  2. Step 2: Convert to fraction form
    777,549.42/1,072,888.02 = 433,309.80/x
  3. Step 3: Cross multiply
    777,549.42x = 1,072,888.02 × 433,309.80
  4. Step 4: Simplify right side
    777,549.42x = 464,892,893,368.60
  5. Step 5: Solve for x
    x = 464,892,893,368.60/777,549.42
  6. Step 6: Final answer
    x = 597,894.98

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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.