Home / 688,026.23-949,488.93-382,130.95

Finding the Fourth Proportional to 688,026.23, 949,488.93 and 382,130.95

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Solution

The fourth proportional to 688,026.23, 949,488.93 and 382,130.95 is: 527,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,026.23 : 949,488.93 = 382,130.95 : x
  2. Step 2: Convert to fraction form
    688,026.23/949,488.93 = 382,130.95/x
  3. Step 3: Cross multiply
    688,026.23x = 949,488.93 × 382,130.95
  4. Step 4: Simplify right side
    688,026.23x = 362,829,104,461.66
  5. Step 5: Solve for x
    x = 362,829,104,461.66/688,026.23
  6. Step 6: Final answer
    x = 527,347.78

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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.