Home / 860,419.51-1,187,412.80-473,270.95

Finding the Fourth Proportional to 860,419.51, 1,187,412.80 and 473,270.95

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Solution

The fourth proportional to 860,419.51, 1,187,412.80 and 473,270.95 is: 653,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,419.51 : 1,187,412.80 = 473,270.95 : x
  2. Step 2: Convert to fraction form
    860,419.51/1,187,412.80 = 473,270.95/x
  3. Step 3: Cross multiply
    860,419.51x = 1,187,412.80 × 473,270.95
  4. Step 4: Simplify right side
    860,419.51x = 561,967,983,898.16
  5. Step 5: Solve for x
    x = 561,967,983,898.16/860,419.51
  6. Step 6: Final answer
    x = 653,132.54

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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.