Home / 860,460.62-1,187,438.02-473,315.70

Finding the Fourth Proportional to 860,460.62, 1,187,438.02 and 473,315.70

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Solution

The fourth proportional to 860,460.62, 1,187,438.02 and 473,315.70 is: 653,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,460.62 : 1,187,438.02 = 473,315.70 : x
  2. Step 2: Convert to fraction form
    860,460.62/1,187,438.02 = 473,315.70/x
  3. Step 3: Cross multiply
    860,460.62x = 1,187,438.02 × 473,315.70
  4. Step 4: Simplify right side
    860,460.62x = 562,033,063,870.74
  5. Step 5: Solve for x
    x = 562,033,063,870.74/860,460.62
  6. Step 6: Final answer
    x = 653,176.97

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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.