Home / 979,416.95-1,351,595.40-549,697.07

Finding the Fourth Proportional to 979,416.95, 1,351,595.40 and 549,697.07

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Solution

The fourth proportional to 979,416.95, 1,351,595.40 and 549,697.07 is: 758,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,416.95 : 1,351,595.40 = 549,697.07 : x
  2. Step 2: Convert to fraction form
    979,416.95/1,351,595.40 = 549,697.07/x
  3. Step 3: Cross multiply
    979,416.95x = 1,351,595.40 × 549,697.07
  4. Step 4: Simplify right side
    979,416.95x = 742,968,032,523.10
  5. Step 5: Solve for x
    x = 742,968,032,523.10/979,416.95
  6. Step 6: Final answer
    x = 758,581.97

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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.