Home / 810,030.80-1,212,421.80-715,552.40

Finding the Fourth Proportional to 810,030.80, 1,212,421.80 and 715,552.40

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Solution

The fourth proportional to 810,030.80, 1,212,421.80 and 715,552.40 is: 1,071,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,030.80 : 1,212,421.80 = 715,552.40 : x
  2. Step 2: Convert to fraction form
    810,030.80/1,212,421.80 = 715,552.40/x
  3. Step 3: Cross multiply
    810,030.80x = 1,212,421.80 × 715,552.40
  4. Step 4: Simplify right side
    810,030.80x = 867,551,328,802.32
  5. Step 5: Solve for x
    x = 867,551,328,802.32/810,030.80
  6. Step 6: Final answer
    x = 1,071,010.30

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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.