Home / 758,779.32-1,047,603.60-486,964.38

Finding the Fourth Proportional to 758,779.32, 1,047,603.60 and 486,964.38

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Solution

The fourth proportional to 758,779.32, 1,047,603.60 and 486,964.38 is: 672,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,779.32 : 1,047,603.60 = 486,964.38 : x
  2. Step 2: Convert to fraction form
    758,779.32/1,047,603.60 = 486,964.38/x
  3. Step 3: Cross multiply
    758,779.32x = 1,047,603.60 × 486,964.38
  4. Step 4: Simplify right side
    758,779.32x = 510,145,637,559.77
  5. Step 5: Solve for x
    x = 510,145,637,559.77/758,779.32
  6. Step 6: Final answer
    x = 672,324.12

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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.