Home / 860,421.51-1,187,415.56-473,272.95

Finding the Fourth Proportional to 860,421.51, 1,187,415.56 and 473,272.95

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Solution

The fourth proportional to 860,421.51, 1,187,415.56 and 473,272.95 is: 653,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,421.51 : 1,187,415.56 = 473,272.95 : x
  2. Step 2: Convert to fraction form
    860,421.51/1,187,415.56 = 473,272.95/x
  3. Step 3: Cross multiply
    860,421.51x = 1,187,415.56 × 473,272.95
  4. Step 4: Simplify right side
    860,421.51x = 561,971,664,957.10
  5. Step 5: Solve for x
    x = 561,971,664,957.10/860,421.51
  6. Step 6: Final answer
    x = 653,135.30

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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.