Home / 860,284.40-1,187,130.85-473,127.08

Finding the Fourth Proportional to 860,284.40, 1,187,130.85 and 473,127.08

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Solution

The fourth proportional to 860,284.40, 1,187,130.85 and 473,127.08 is: 652,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,284.40 : 1,187,130.85 = 473,127.08 : x
  2. Step 2: Convert to fraction form
    860,284.40/1,187,130.85 = 473,127.08/x
  3. Step 3: Cross multiply
    860,284.40x = 1,187,130.85 × 473,127.08
  4. Step 4: Simplify right side
    860,284.40x = 561,663,750,272.78
  5. Step 5: Solve for x
    x = 561,663,750,272.78/860,284.40
  6. Step 6: Final answer
    x = 652,881.48

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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.