Home / 977,437.56-1,348,900.29-547,701.78

Finding the Fourth Proportional to 977,437.56, 1,348,900.29 and 547,701.78

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Solution

The fourth proportional to 977,437.56, 1,348,900.29 and 547,701.78 is: 755,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,437.56 : 1,348,900.29 = 547,701.78 : x
  2. Step 2: Convert to fraction form
    977,437.56/1,348,900.29 = 547,701.78/x
  3. Step 3: Cross multiply
    977,437.56x = 1,348,900.29 × 547,701.78
  4. Step 4: Simplify right side
    977,437.56x = 738,795,089,875.52
  5. Step 5: Solve for x
    x = 738,795,089,875.52/977,437.56
  6. Step 6: Final answer
    x = 755,848.88

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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.