Home / 830,030.90-1,145,498.36-462,565.08

Finding the Fourth Proportional to 830,030.90, 1,145,498.36 and 462,565.08

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Solution

The fourth proportional to 830,030.90, 1,145,498.36 and 462,565.08 is: 638,370.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,030.90 : 1,145,498.36 = 462,565.08 : x
  2. Step 2: Convert to fraction form
    830,030.90/1,145,498.36 = 462,565.08/x
  3. Step 3: Cross multiply
    830,030.90x = 1,145,498.36 × 462,565.08
  4. Step 4: Simplify right side
    830,030.90x = 529,867,538,220.44
  5. Step 5: Solve for x
    x = 529,867,538,220.44/830,030.90
  6. Step 6: Final answer
    x = 638,370.86

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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.