Home / 979,504.81-1,351,642.48-549,701.90

Finding the Fourth Proportional to 979,504.81, 1,351,642.48 and 549,701.90

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Solution

The fourth proportional to 979,504.81, 1,351,642.48 and 549,701.90 is: 758,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,504.81 : 1,351,642.48 = 549,701.90 : x
  2. Step 2: Convert to fraction form
    979,504.81/1,351,642.48 = 549,701.90/x
  3. Step 3: Cross multiply
    979,504.81x = 1,351,642.48 × 549,701.90
  4. Step 4: Simplify right side
    979,504.81x = 743,000,434,623.35
  5. Step 5: Solve for x
    x = 743,000,434,623.35/979,504.81
  6. Step 6: Final answer
    x = 758,547.00

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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.