Home / 1,011,263.02-1,516,307.68-478,779.55

Finding the Fourth Proportional to 1,011,263.02, 1,516,307.68 and 478,779.55

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Solution

The fourth proportional to 1,011,263.02, 1,516,307.68 and 478,779.55 is: 717,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,263.02 : 1,516,307.68 = 478,779.55 : x
  2. Step 2: Convert to fraction form
    1,011,263.02/1,516,307.68 = 478,779.55/x
  3. Step 3: Cross multiply
    1,011,263.02x = 1,516,307.68 × 478,779.55
  4. Step 4: Simplify right side
    1,011,263.02x = 725,977,108,691.94
  5. Step 5: Solve for x
    x = 725,977,108,691.94/1,011,263.02
  6. Step 6: Final answer
    x = 717,891.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.