Home / 712,774.08-1,069,160.76-286,309.62

Finding the Fourth Proportional to 712,774.08, 1,069,160.76 and 286,309.62

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Solution

The fourth proportional to 712,774.08, 1,069,160.76 and 286,309.62 is: 429,464.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,774.08 : 1,069,160.76 = 286,309.62 : x
  2. Step 2: Convert to fraction form
    712,774.08/1,069,160.76 = 286,309.62/x
  3. Step 3: Cross multiply
    712,774.08x = 1,069,160.76 × 286,309.62
  4. Step 4: Simplify right side
    712,774.08x = 306,111,010,914.51
  5. Step 5: Solve for x
    x = 306,111,010,914.51/712,774.08
  6. Step 6: Final answer
    x = 429,464.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.