Home / 979,746.40-1,351,956.72-549,928

Finding the Fourth Proportional to 979,746.40, 1,351,956.72 and 549,928

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Solution

The fourth proportional to 979,746.40, 1,351,956.72 and 549,928 is: 758,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,746.40 : 1,351,956.72 = 549,928 : x
  2. Step 2: Convert to fraction form
    979,746.40/1,351,956.72 = 549,928/x
  3. Step 3: Cross multiply
    979,746.40x = 1,351,956.72 × 549,928
  4. Step 4: Simplify right side
    979,746.40x = 743,478,855,116.16
  5. Step 5: Solve for x
    x = 743,478,855,116.16/979,746.40
  6. Step 6: Final answer
    x = 758,848.26

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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.