Home / 774,510.30-1,068,820.74-430,402.23

Finding the Fourth Proportional to 774,510.30, 1,068,820.74 and 430,402.23

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Solution

The fourth proportional to 774,510.30, 1,068,820.74 and 430,402.23 is: 593,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,510.30 : 1,068,820.74 = 430,402.23 : x
  2. Step 2: Convert to fraction form
    774,510.30/1,068,820.74 = 430,402.23/x
  3. Step 3: Cross multiply
    774,510.30x = 1,068,820.74 × 430,402.23
  4. Step 4: Simplify right side
    774,510.30x = 460,022,829,966.25
  5. Step 5: Solve for x
    x = 460,022,829,966.25/774,510.30
  6. Step 6: Final answer
    x = 593,953.15

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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.