Home / 916,954.84-1,265,402.76-509,050.18

Finding the Fourth Proportional to 916,954.84, 1,265,402.76 and 509,050.18

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Solution

The fourth proportional to 916,954.84, 1,265,402.76 and 509,050.18 is: 702,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,954.84 : 1,265,402.76 = 509,050.18 : x
  2. Step 2: Convert to fraction form
    916,954.84/1,265,402.76 = 509,050.18/x
  3. Step 3: Cross multiply
    916,954.84x = 1,265,402.76 × 509,050.18
  4. Step 4: Simplify right side
    916,954.84x = 644,153,502,750.50
  5. Step 5: Solve for x
    x = 644,153,502,750.50/916,954.84
  6. Step 6: Final answer
    x = 702,492.07

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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.